FMF Minerals Gallery

Opal-(AN)
Tepetate, Municipio Villa de Arriaga, San Luis Potosí, Mexico
5.0 x 5.2 cm (Author: crosstimber)

Opal-(AN)
Tepetate, Municipio

Opal-AN (variety hyalite) with Fluorapatite (variety staffelite)
Valeč, Doupov, Karlovy Vary Region, Bohemia, Czech Republic
75 x 48 x 55 mm (Author: Rob Schnerr)

Opal-AN (variety hyalite) with Fluorapatite (variety staffelite)
Valeč, Doupov, Karlovy V

Opal-AN (variety hyalite)
Zacatecas (City), Municipio Zacatecas, Zacatecas, Mexico
45 mm x 21 mm x 17 mm (Author: Firmo Espinar)

Opal-AN (variety hyalite)
Zaca

Opal-AN (variety hyalite)
Zacatecas (City), Municipio Zacatecas, Zacatecas, Mexico
45 mm x 21 mm x 17 mm (Author: Firmo Espinar)

Opal-AN (variety hyalite)
Zaca

Opal-AN
Valeč, Doupov, Karlovy Vary Region, Bohemia, Czech Republic
6.1 x 4.3 x 3.8 cm (Author: Don Lum)

Opal-AN
Valeč, Doupov, Ka

Opal-AN
Valeč, Doupov, Karlovy Vary Region, Bohemia, Czech Republic
6.1 x 4.3 x 3.8 cm (Author: Don Lum)

Opal-AN
Valeč, Doupov, Ka

Opal-AN
Kopasz Hill Quarry, Tarcal, Eperjes-Tokaj Mountains, Borsod-Abaúj-Zemplén, Hungary
2.0 cm x 2.9 cm (Author: Michael Shaw)

Opal-AN
Kopasz Hill Quarry, Ta

Opal-AN
Castel del Piano (Amiata Mountain), Grosseto Province, Tuscany, Italy
10,5 x 7,5 cm (Author: Sante Celiberti)

Opal-AN
Castel del Piano (Amia

Opal-AN
Castel del Piano (Amiata Mountain), Grosseto Province, Tuscany, Italy
10,5 x 7,5 cm (Author: Sante Celiberti)

Opal-AN
Castel del Piano (Amia

Opal-AN
Tarcal, Eperjes-Tokaj Mountains, Borsod-Abaúj-Zemplén, Hungary
35 x 25 mm (Author: Sante Celiberti)

Opal-AN
Tarcal, Eperjes-Tokaj

Opal-CT (variety lussatite) after fossil (Helix ramondi)
Les Rois Mine, Mur-sur-Allier, Pont-du-Château, Clermont-Ferrand District, Puy-de-Dôme Department, Auvergne-Rhône-Alpes, France
92 mm x 45 mm x 39 mm (Author: Don Lum)

Opal-CT (variety lussatite) after fossil (Helix ramondi)
Les Rois Mine, Mur-sur-Allier, Pont-du-Château, Clermont-Ferrand District, Puy-de-Dôme Department, Au

Opal-CT (variety lussatite)
Lussat, Aigueperse, Riom, Puy-de-Dôme Department, Auvergne-Rhône-Alpes, France
12 x 10 x 10 mm (Author: Rob Schnerr)

Opal-CT (variety lussatite)
Lu

Opal. A kind of Chrystmas opals (lol). Agramón. Albacete. Castilla La Mancha. Spain. 7 cm and 4 cm (Author: nimfiara)

Opal. A kind of Chrystmas opals (l

Opal. Agramón. Albacete. Castilla La Mancha. Spain. 8 cm (Author: nimfiara)

Opal. Agramón. Albacete. Castilla

Opal. Cabo de Gata. Almería. Andalusia. Spain. 8 cm (Author: nimfiara)

Opal. Cabo de Gata. Almería. Andal

Opal. Cabo de Gata. Almeria. Andalusia. Spain. 7 cm (Author: nimfiara)

Opal. Cabo de Gata. Almeria. Andal

Opal. Cabo de Gata. Almería. Andalusia. Spain. 7 cm (Author: nimfiara)

Opal. Cabo de Gata. Almería. Andal

Opal. Galera. Granada. Andalusia. Spain. 6 cm. (Author: nimfiara)

Opal. Galera. Granada. Andalusia.

Opal from Virgin Valley, Nevada,USA 1.0X0.9X0.3 cubic cm (Author: pro_duo)

Opal
from Virgin Valle

Opal Mina La Carbonera, Tequisquiapán, Querétaro, Mexico 84x82x68mm (Author: Carlos M.)

Opal
Mina La Carbonera

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
33mm x 9mm x 8mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Zacatecas, Mexico
FOV of 34.16mm (Author: ofarcis)

Opal
Zacatecas, Mexico

Opal
Zacatecas, Mexico
FOV of 34.16mm (Author: ofarcis)

Opal
Zacatecas, Mexico

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
106mm x 55mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Coober Pedy, Central North, South Australia, Australia
7,0 x 4,0 x 1,0 cm (Author: MIM Museum)

Opal
Coober Pedy, Central Nort

Opal
Quilpie, Quilpie Shire, Queensland, Australia
43 x 36 mm (Author: Sante Celiberti)

Opal
Quilpie, Quilpie Shire, Q

Opal
Lightning Ridge, Finch County, New South Wales, Australia
7,5 x 6,0 x 1,0 cm (Author: MIM Museum)

Opal
Lightning Ridge, Finch Co

Opal
Caux, Pézenas Canton, Béziers District, Hérault, Occitanie, France
fov 6 mm (Author: ploum)

Opal
Caux, Pézenas Canton, B�

Opal
Allah's Rush, Coocoran Opal fields, Lightning Ridge, Finch County, New South Wales, Australia
4,0 x 3,0 x 1,0 cm (Author: MIM Museum)

Opal
Allah's Rush, Coocoran Op

Opal
6 Mile Field, Lightning Ridge, Finch County, New South Wales, Australia
2,5 x 2,5 x 1,0 cm (Author: MIM Museum)

Opal
6 Mile Field, Lightning R

Opal
6 Mile Field, Lightning Ridge, Finch County, New South Wales, Australia
2,5 x 2,5 x 1,0 cm (Author: MIM Museum)

Opal
6 Mile Field, Lightning R

Opal
Durango, Mexico
(Author: Gail)

Opal
Durango, Mexico

Opal
Durango, Mexico
25mm (Author: Gail)

Opal
Durango, Mexico

Opal
Caux, Pézenas Canton, Béziers District, Hérault, Occitanie, France
fov 5.5 mm (Author: ploum)

Opal
Caux, Pézenas Canton, B�

Opal
Quilpie, Quilpie Shire, Queensland, Australia
43 x 36 mm (Author: Sante Celiberti)

Opal
Quilpie, Quilpie Shire, Q

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
38mm x 30mm x 10mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
26 mm x 15 mm x 8 mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
28mm x 13mm x 6mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
32mm x 35mm x 8mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
49mm x 40mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
14mm x 43mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
46mm x 48mm x 19mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
46mm x 48mm x 19mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
16mm x 31mm x 10mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
56mm x 54mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
32mm x 26mm x 15mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
68mm x 40mm x 13mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
68mm x 40mm x 13mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
17mm x 43mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
17mm x 43mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
40mm x 68mm x 15mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
28mm x 33mm x 11mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
28mm x 40mm x 20mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
58mm x 35mm x 22mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
60mm x 42mm x 30mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
17mm x 25mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
18mm x 26mm x 12mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
16mm x 34mm x 11mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
(Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
(Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
(Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
(Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
15mm x 30mm x 9mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
26mm x 54mm x 15mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
28mm x 58mm x 17mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
30mm x 80mm x 10mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
14mm x 44mm x 11mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Yita Ridge roughs, Menz and Gishe (Menz na Gishe), Amhara Region, Ethiopia
87 mm x 84 mm x 75 mm (Author: Don Lum)

Opal
Yita Ridge roughs, Menz a

Opal
Yita Ridge roughs, Menz and Gishe (Menz na Gishe), Amhara Region, Ethiopia
87 mm x 84 mm x 75 mm (Author: Don Lum)

Opal
Yita Ridge roughs, Menz a

Opal
Yita Ridge roughs, Menz and Gishe (Menz na Gishe), Amhara Region, Ethiopia
87 mm x 84 mm x 75 mm (Author: Don Lum)

Opal
Yita Ridge roughs, Menz a

Opal
Yita Ridge roughs, Menz and Gishe (Menz na Gishe), Amhara Region, Ethiopia
87 mm x 84 mm x 75 mm (Author: Don Lum)

Opal
Yita Ridge roughs, Menz a

Opal
Quilpie, Quilpie Shire, Queensland, Australia
3.75 x 3.25 x 1.5 inches (Author: Chris Wentzell)

Opal
Quilpie, Quilpie Shire, Q

Opal
Monti Pelati, Bettolino, Baldissero Canavese, Metropolitan City of Turin Province, Piedmont (Piemonte), Italy
68 x 56 mm (Author: Sante Celiberti)

Opal
Monti Pelati, Bettolino,

Opal
Debub Wollo Zone (South Wollo Zone), Amhara Region, Ethiopia
1 cm each one (Author: Tobi)

Opal
Debub Wollo Zone (South W

Opal
Quilpie, Quilpie Shire, Queensland, Australia
Specimen size 9 cm (Author: Tobi)

Opal
Quilpie, Quilpie Shire, Q

Opal
Sorteo mining group, El Cintado, Cáceres city, Comarca de Cáceres, Cáceres, Extremadura, Spain
42mm x 42mm x 35mm (Author: Firmo Espinar)

Opal
Sorteo mining group, El C

Opal
Coober Pedy, Central North, South Australia, Australia
Vial 35 x 17 mm (Author: Volkmar Stingl)

Opal
Coober Pedy, Central Nort

Opal
Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
16 mm x 10 mm x 6 mm (Author: Firmo Espinar)

Opal
Tsehay Mewcha, Wegeltena,

Opal
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain
47 mm x 41 mm x 13 mm (Author: Firmo Espinar)

Opal
Opal outcrop, Camarillas

Opal
Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
2,8 x 3,2 x 1,1 cm (Author: MIM Museum)

Opal
Tsehay Mewcha, Wegeltena,

Opal
Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
2,9 x 1.7 x 0,7 cm (Author: MIM Museum)

Opal
Tsehay Mewcha, Wegeltena,

Opal
Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
2 x 1,6 x 0,9 cm (Author: MIM Museum)

Opal
Tsehay Mewcha, Wegeltena,

Opal
Salina Island, Eolie Islands, Lípari, Messina Province, Sicily, Italy
1,7 x 1,5 cm (Author: Volkmar Stingl)

Opal
Salina Island, Eolie Isla

Opal
La Carbonera Mine, La Trinidad, Municipio Tequisquiapan, Queretaro, Mexico
FoV 2,5 x 2 cm (Author: Volkmar Stingl)

Opal
La Carbonera Mine, La Tri

Opal
Klipphausen, Meissen, Saxony/Sachsen, Germany
8 cm (Author: Tobi)

Opal
Klipphausen, Meissen, Sax

Opal
Case Montanini Quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy
6,5 x 4 cm (Author: Volkmar Stingl)

Opal
Case Montanini Quarry, Sa

Opal
Case Montanini Quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy
6,5 x 4 cm (Author: Volkmar Stingl)

Opal
Case Montanini Quarry, Sa

Opal
Quilpie, Quilpie Shire, Queensland, Australia
5.5 x 5.4 x 2.7 cm (Author: Michael Shaw)

Opal
Quilpie, Quilpie Shire, Q

Opal
Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
3.1 x 1.5 cm (Author: Michael Shaw)

Opal
Tsehay Mewcha, Wegeltena,

Opale is a kind of rarity from the Freiberg district, Erzgebirge, Saxony. The picture shows an 18th century find from the Sonnenwirbel Fundgrube (a rather small mine that was later consolidated with the famous Himmelsfürst mine). 6,5 cm so-called wood opale with label dating by 1780-1810. (Author: Andreas Gerstenberg)

Opale is a kind of rarity from the

Opale
Caux, Pézenas Canton, Béziers District, Hérault, Occitanie, France
fov 4.5 mm (Author: ploum)

Opale
Caux, Pézenas Canton, B

Opalized wood Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA (Author: Paul Bordovsky)

Opalized wood Sickenius mine, Karn

Opals floating in the space (Author: Fiebre Verde)

Opals floating in the space

Opened, showing the little massive pyrargyrite sample (3 cm) from Gesegnete Bergmannshoffnung mine, Obergruna, Freiberg district, Erzgebirge, Saxony. (Author: Andreas Gerstenberg)

Opened, showing the little massive

opening the calcite pocket more (Author: thecrystalfinder)

opening the calcite pocket more

opening the calcite pocket with first crystal to come out (Author: thecrystalfinder)

opening the calcite pocket with fi

orange 4 3 11 007.JPG (Author: Glenn Rhein)

orange 4 3 11 007.JPG

Orange red alacranite crystals from Wilmsdorfer shaft, Possendorf near Dresden, Saxony. Picture width 2 mm. (Author: Andreas Gerstenberg)

Orange red alacranite crystals fro

orange-brown Fluorite crystals with purple zones up to 1.1 cm with Dolomite, dimensions of the specimen: 5.5 x 3.5 x 2.5 cm, Bergmännisch Glück Flacher vein, Frohnau (Author: Thomas Uhlig)

orange-brown Fluorite crystals wi

Ore bucket. (Author: vic rzonca)

Ore bucket.

Ore teams and more in Idaho Springs, Colorado, 1894. (Author: vic rzonca)

Ore teams and more in Idaho Spring

Original label (dating from 1932). Translation as follows: tin rock from the 60 m level of a tin mine near Zinnwald. (Author: Andreas Gerstenberg)

Original label (dating from 1932).

original label for specimen (Author: Peter Megaw)

original label for specimen

Original label from Ecole Impériale des Mines/Paris (about 1840). (Author: Andreas Gerstenberg)

Original label from Ecole Impérial

Original label of F. Krantz Mineralienkontor/Bonn (around 1910). (Author: Andreas Gerstenberg)

Original label of F. Krantz Minera

Original label. (Author: Andreas Gerstenberg)

Original label.

Original Louis Saemann label (1864). (Author: Andreas Gerstenberg)

Original Louis Saemann label (1864

Original Vaux seal on the vial (Author: Andreas Gerstenberg)

Original Vaux seal on the vial

Orpiment Cavnic, Maramures, Romania 6.6 x 7.1 cm. Orange and brown orpiment partially covering a matrix of white crystallized calcite. (Author: crosstimber)

Orpiment Cavnic, Maramures, Romani

Orpiment El’brusskiy Mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia 4.2 x 5.8 cm Bright orange orpiment crystals with small colorless barite crystals. (Author: crosstimber)

Orpiment El’brusskiy Mine, E

Orpiment Quiruvilca mine, Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru. 12 x 9 x 5 cm; 480 gram. (Author: Louis Friend)

Orpiment Quiruvilca mine, Quiruvil

Orpiment Quiruvilca mine, Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru. 12 x 9 x 5 cm; 480 gram. (Author: Louis Friend)

Orpiment Quiruvilca mine, Quiruvil

Orpiment Quiruvilca Mine, Santiago de Chuco Prov., La Libertad Dept., Peru 5.4 x 10.0 cm Cinnamon-brown orpiment crystals with colorless chisel-shaped barite crystals. (Author: crosstimber)

Orpiment Quiruvilca Mine, Santiago

Orpiment & barite Quiruvilca mine. Dist. Quiruvilca. Santiago de Chucco. La Libertad. Perú FOV 15,27mm 1,24x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)

Orpiment & barite Quiruvilca m

Orpiment and Calcite
Jiepaiyu Mine (Shimen Mine), Shimen County, Changde Prefecture, Hunan, China
23,0 x 16,0 x 10,5 cm (Author: MIM Museum)

Orpiment and Calcite
Jiepaiyu

ORPIMENT CRYSTAL FORM.jpg (Author: Louis Friend)

ORPIMENT CRYSTAL FORM.jpg

Orpiment on Calcite Quiruvilca Mine, Peru Size: 5.5x4x2,5 cm (Author: Leon56)

Orpiment on Calci
Quiruvilca Mine,

Orpiment pseudomorph after Realgar Palomo Mine, Castrovirreyna Province, Huancavelica Department, Peru 6.5 x 4.5 x 3 cm Terminated Realgar crystals are partly or fully replaced by vivid yellow Orpiment, with white quartz and shinny Tetrahedrite in combination. Fantastic color. (Author: xdxucn)

Orpiment pseudomorph after Realgar

Orpiment Shimen mine. Specimen is about 14 cm. The individual orpiment crystals reach 3.5cm in length but are probably longer being obscured by matrix of calcite. (Author: Samuel)

Orpiment Shimen mine. Specimen is

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
FOV appr. 5 mm (Author: Rob Schnerr)

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Pe

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
FOV appr. 5 mm (Author: Rob Schnerr)

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Pe

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
FOV appr. 5 mm (Author: Rob Schnerr)

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Pe

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
49 x 42 x 12 mm (Author: Rob Schnerr)

Orpiment, Baryte, Hutchinsonite
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Pe

Orpiment, Calcite Quiruvilca Mine, Santiago De Chuco Province, La Libertad Department, Peru 7.2 x 5.5 x 4.5 cm (Author: xdxucn)

Orpiment, Calcite Quiruvilca Mine,

Orpiment, Quiruvilca Mine, Peru (Author: Samuel)

Orpiment, Quiruvilca Mine, Peru

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment. Shimen Mine, Shimen County, Changde Prefecture, Hunan Province, China. 10 x 7 x 5 cm. (Author: Lumaes)

Orpiment. Shimen Mine, Shimen Coun

Orpiment: Churchill County, Nevada (Author: Bruce Sevier)

Orpiment:
Churchill County,

Orpiment: Churchill County, Nevada (Author: Bruce Sevier)

Orpiment:
Churchill County,

Orpiment: Churchill County, Nevada (Author: Bruce Sevier)

Orpiment:
Churchill County,

Orpiment: Churchill County, Nevada (Author: Bruce Sevier)

Orpiment:
Churchill County,

Orpiment: Churchill County, Nevada (Author: Bruce Sevier)

Orpiment:
Churchill County,

Orpiment: "Getchell Mine", Churchill County, (Northern) Nevada specimen size: 70 x 73 x 57 mm (Author: Bruce Sevier)

Orpiment:
"Getchell Mi

Orpiment Twin Creeks mine, Humboldt Co., Nevada, USA 4 cm across (Author: John S. White)

Orpiment
Twin Creeks mine,

Orpiment
Twin Creeks Mine, cut 62, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
50 x 42 mm (Author: Sante Celiberti)

Orpiment
Twin Creeks Mine, cut

Orpiment
Jiepaiyu Mine (Shimen Mine), Shimen County, Changde Prefecture, Hunan, China
11,0 x 9,5 x 9,0 cm (Author: MIM Museum)

Orpiment
Jiepaiyu Mine (Shimen

Orpiment
Peru
7x4x3cm (Author: Dave van Bladel)

Orpiment
Peru

Orpiment
Elbrusskiy Mine, Elbrus Mountain, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
7 x 3.7 cm (Author: Don Lum)

Orpiment
Elbrusskiy Mine, Elbr

Orpiment
Elbrusskiy Mine, Elbrus Mountain, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
7 x 3.7 cm (Author: Don Lum)

Orpiment
Elbrusskiy Mine, Elbr

Orpiment
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
99 X 65 mm (Author: Manuel Mesa)

Orpiment
Quiruvilca Mine (La L

Orpiment
Twin Creeks Mine, cut 62, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
2.0 x 2.3 cm (Author: crosstimber)

Orpiment
Twin Creeks Mine, cut

Orpiment
Elbrusskiy Mine, Elbrus Mountain, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
4 cm (Author: Nunzio)

Orpiment
Elbrusskiy Mine, Elbr

Orpiment
Elbrusskiy Mine, Elbrus Mountain, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
1.7 x 2.8 cm (Author: crosstimber)

Orpiment
Elbrusskiy Mine, Elbr

Orpiment
Jiepaiyu Mine (Shimen Mine), Shimen County, Changde Prefecture, Hunan, China
112 x 63 mm (Author: Manuel Mesa)

Orpiment
Jiepaiyu Mine (Shimen

Orpiment
Getchell Mine, Adam Peak, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
5.2 x 7.0 cm (Author: crosstimber)

Orpiment
Getchell Mine, Adam P

Orpiment
Twin Creeks Mine, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
2.2 x 3.3 x 4.3 cm (Author: crosstimber)

Orpiment
Twin Creeks Mine, Pot

Orpiment
Twin Creeks Mine, cut 62, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
3.0 x 4.5 cm (Author: crosstimber)

Orpiment
Twin Creeks Mine, cut

Orpiment
Getchell Mine, Adam Peak, Potosi District, Osgood Mountains, Humboldt County, Nevada, USA
80x50x50 mm (Author: Dany Mabillard)

Orpiment
Getchell Mine, Adam P

Orpiment
Stein, Dellach, Valle Drau, Spittal an der Drau, Hohe Tauern, Carinthia/Kärnten, Austria
6,5 x 4,5 cm (Author: Volkmar Stingl)

Orpiment
Stein, Dellach, Valle

Orpiment
Stein, Dellach, Valle Drau, Spittal an der Drau, Hohe Tauern, Carinthia/Kärnten, Austria
6,5 x 4,5 cm (Author: Volkmar Stingl)

Orpiment
Stein, Dellach, Valle

Orthoclase Takayama, Gifu Prefecture, Honshu, Japan 63.0 x 52.0 x 45.0 mm Excellent, sharp pinkish-tan Baveno twin of Orthoclase, measuring 63 x 39 x 38 mm, is accented by white blades of Albite (v. Cleavlandite) and minor Muscovite. The Takayama area was well known for these twins. From the Earl Calvert (1904-1964) collection, this specimen is pristine. (Author: GneissWare)

Orthoclase Takayama, Gifu Prefect

Orthoclase 9.5cm x 7.2cm (Author: rweaver)

Orthoclase 9.5cm x 7.2cm

Orthoclase Erongo Mountain, Erongo Region, Namibia 10.5 x 7.2 cm (Author: Don Lum)

Orthoclase Erongo Mountain, Erongo

Orthoclase Erongo Mountain, Erongo Region, Namibia 10.5 x 7.2 cm (Author: Don Lum)

Orthoclase Erongo Mountain, Erongo

Orthoclase Erongo Mountain, Erongo Region, Namibia 10.5 x 7.2 cm (Author: Don Lum)

Orthoclase Erongo Mountain, Erongo

Orthoclase Erongo Mountain, Erongo Region, Namibia 4.2 x 4.0 cm Carlsbad Twin (Author: Don Lum)

Orthoclase Erongo Mountain, Erongo

Orthoclase Montecatini Quarry, Baveno, Piedmont, Italy 4.2 x 6.4 cm A creamy tan Carlsbad-twinned orthoclase crystal on a granite matrix. (Author: crosstimber)

Orthoclase Montecatini Quarry, Bav

Orthoclase ( var. Adularia ) with Smoky Quartz Rhone-Gletscher, Ober-Wallis, Switzerland 160 x 125 x 97 mm Excellent, well-defined Baveno-Manebach twins of Orthoclase (v. Adularia) to 28 mm across, partially covered with Chlorite, are nestled amongst numerous glassy, slightly smoky Quartz points, measuring up to 48 x 22 mm in size. Formerly in the Anton Berger (Mödling, Austria; 1870-1956) private collection. This is a fine old Swiss specimen from the Earl Calvert collection. (Author: GneissWare)

Orthoclase ( var.
Rhone-Gletscher,

Orthoclase ("paradoxite") from the Wachtelberg quarry, Euba near Flöha, Saxony. With old label. The locality developed some of the best paradoxites as well as good quartz samples. (Author: Andreas Gerstenberg)

Orthoclase ("paradoxite"

Orthoclase (variety adularia) Valle Ziller. Norte Tirol. Tirol. Austria FOV 4.77cm 0.34x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)

Orthoclase (variety adularia) Vall

Orthoclase (variety adularia) with Muscovite
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
3,5 x 2 cm (Author: Volkmar Stingl)

Orthoclase (variety adularia) with Muscovite
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol

Orthoclase (variety adularia), Albite (variety pericline), 'Apatite'
St Gotthard Pass area, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
10,5 x 7,5 cm (Author: Volkmar Stingl)

Orthoclase (variety adularia), Albite (variety pericline), 'Apatite'
St Gotthard Pass area, Central St Gotthard Massif,

Orthoclase (variety adularia), Chlorite (Group)
Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
4,5 x 3 cm (Author: Volkmar Stingl)

Orthoclase (variety adularia), Chlorite (Group)
Central St Gotthard Massif, Leventina, Ticino (Te

Orthoclase (variety Adularia), Chlorite group, Titanite
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
2 x 1,5 cm (Author: Volkmar Stingl)

Orthoclase (variety Adularia), Chlorite group, Titanite
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North T

Orthoclase (variety adularia), Chlorite group
St Gotthard Pass area, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
81 x 69 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Chlorite group
St Gotthard Pass area, Central St Gotthard Massif, Leventina, Ticino (Tess

Orthoclase (variety Adularia), Chlorite group
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
5,5 x 4 cm (Author: Volkmar Stingl)

Orthoclase (variety Adularia), Chlorite group
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyro

Orthoclase (variety Adularia), Chlorite group
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
2 x 2 cm (Author: Volkmar Stingl)

Orthoclase (variety Adularia), Chlorite group
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyro

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (Val d'Aosta), Italy
61 x 37 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (Val d'Aosta), Italy
61 x 37 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (Val d'Aosta), Italy
61 x 37 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Muscovite, Rutile
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (

Orthoclase (variety adularia), Quartz, Clinochlore
Formazza Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
86 x 85 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Quartz, Clinochlore
Formazza Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedm

Orthoclase (variety adularia), Quartz, Clinochlore
Formazza Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
86 x 85 mm (Author: Sante Celiberti)

Orthoclase (variety adularia), Quartz, Clinochlore
Formazza Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedm

Orthoclase (variety adularia)
Belvís de Monroy, Comarca Campo Arañuelo, Cáceres, Extremadura, Spain
6 x 5 x 5 cm (Author: ApitaAngel)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Alchuri, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan
50mm x 23mm (Author: Don Lum)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Alchuri, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan
50mm x 23mm (Author: Don Lum)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Alchuri, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan
50 mm x 23 mm (Author: Don Lum)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Cristallina Valley, Medel Valley, Medel (Lucmagn), Surselva Region, Grischun (Grisons; Graubünden), Switzerland
42,5 x 33,6 mm (Author: Sante Celiberti)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Ticino (Tessin), Switzerland
4 x 3 cm (Author: Volkmar Stingl)

Orthoclase (variety adularia)

Orthoclase (variety Adularia)
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
4 x 3 cm (Author: Volkmar Stingl)

Orthoclase (variety Adularia)

Orthoclase (variety Adularia)
Lapenkar, Stilupp Valley, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol, Austria
3,5 x 3 cm (Author: Volkmar Stingl)

Orthoclase (variety Adularia)

Orthoclase (variety adularia)
Piz Medel, Lukmanier Pass, Grischun (Grisons; Graubünden), Switzerland
20 x 13 x 13 cm / main crystal: 19.7 cm (Author: MIM Museum)

Orthoclase (variety adularia)

Orthoclase (variety adularia)
Switzerland
250 mm x 100 mm x 40 mm (Author: Dany Mabillard)

Orthoclase (variety adularia)

Orthoclase (variey adularia), Hematite, Quartz
Varaita Valley (Val Varaita), Cuneo Province, Piedmont (Piemonte), Italy
77 x 71 mm (Author: Sante Celiberti)

Orthoclase (variey adularia), Hematite, Quartz
Varaita Valley (Val Varaita), Cuneo Province, Piedmont

Orthoclase (variey adularia), Hematite, Quartz
Varaita Valley (Val Varaita), Cuneo Province, Piedmont (Piemonte), Italy
77 x 71 mm (Author: Sante Celiberti)

Orthoclase (variey adularia), Hematite, Quartz
Varaita Valley (Val Varaita), Cuneo Province, Piedmont

Orthoclase (variey adularia)
Miage Glacier, Veny Valley, Monte Bianco Massif (Mont Blanc Massif), Courmayeur, Aosta Valley (Val d'Aosta), Italy
65 x 42 mm (Author: Sante Celiberti)

Orthoclase (variey adularia)
M

Orthoclase - Madagascar (Author: John S. White)

Orthoclase - Madagascar

Orthoclase and Quartz
Los Taberneros Quarry, (La Cabrera pluton), Los Taberneros, El Berrueco, Comarca Sierra Norte, Community of Madrid, Spain
113 mm x 94 mm x 47 mm (Author: Firmo Espinar)

Orthoclase and Quartz
Los Tabe

Orthoclase feldspar, 4 cm, Wilmington, DE (Author: Turbo)

Orthoclase feldspar, 4 cm, Wilmin

Orthoclase Karlsbad twin altering to kaolinite. Melbur China Clay Pit, St Austell, Higher Fraddon, Cornwall, England, UK. 32 mm. (Author: Ru Smith)

Orthoclase Karlsbad twin altering

Orthoclase ps. leucite Loucná, Karlovy Vary Region, Bohemia, Czech Republic 3.1 x 3.5 cm A classic pseudomorph of K-feldspar after a trapezohedral leucite crystal. (Author: crosstimber)

Orthoclase ps. leucite Loucná, Kar

Orthoclase pseudo after leucite from Oberwiesenthal, Erzgebirge, Saxony. These pseudos are found in the border area between Oberwiesenthal and Loucna (CZ). (Author: Andreas Gerstenberg)

Orthoclase pseudo after leucite fr

Orthoclase var. adularia Tyrol, Austria 7.1 x 9.3 cm Colorless adularia crystals associated with fibrous white to greenish byssolite. (Author: crosstimber)

Orthoclase var. adularia Tyrol, Au

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District, Malawi
60mm x 60mm x 45mm (Author: Philippe Durand)

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District,

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District, Malawi
60mm x 60mm x 45mm (Author: Philippe Durand)

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District,

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District, Malawi
60mm x 60mm x 45mm (Author: Philippe Durand)

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District,

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District, Malawi
60mm x 60mm x 45mm (Author: Philippe Durand)

Orthoclase with Aegirine and Zircon
Mount Malosa, Zomba District,

Orthoclase with Muscovite and Cleavlandite Tawara, Hirukawa, Nakatsugawa City, Gifu Prefecture, Honshu, Japan 92 x 82 x 56 mm Baveno-twinned Orthoclase measuring 90 x 25 x 24 mm, accompanied by a book of silvery Muscovite to 27 mm across and accented with a cluster of white blades of Albite (v. Cleavelandite). (Author: GneissWare)

Orthoclase with Muscovite and Clea

Orthoclase, Quartz, Zinwaldite, Dolomite Gebel Quarry (Mantegazza Quarry; Bianchi Quarry), Cuasso al Monte, Ceresio Valley, Varese Province, Lombardy, Italy 66.87 mm group composed from Orthoclase, smoky Quartz, yellow Dolomite and Zinnwaldite (Author: Matteo_Chinellato)

Orthoclase, Quart
Gebel Quarry (Man

Orthoclase, quartz Bustarviejo, Madrid, Spain 58 mm x 40 mm. Orthoclase crystal size: 30 mm tall, 11 mm wide (Author: Carles Millan)

Orthoclase, quartz Bustarviejo, Ma

Orthoclase, quartz Bustarviejo, Madrid, Spain 58 mm x 40 mm. Orthoclase crystal size: 30 mm tall, 11 mm wide (Author: Carles Millan)

Orthoclase, quartz Bustarviejo, Ma

Orthoclase, Quartz San Silvestro vein, San Piero in Campo, Campo nell’Elba, Elba Island, Livorno Province, Tuscany, Italy Historical specimen of a biggest Orthoclase 96.76 mm specimen with some Quartz crystals (Author: Matteo_Chinellato)

Orthoclase, Quartz San Silvestro v

Orthoclase, quartz, aegirine Mt Malosa, Zomba Plateau, Malawi 106 mm x 25 mm. Orthoclase crystal size: 92 mm tall, 26 mm wide, 17 mm thick Back view (no aegirine at all) (Author: Carles Millan)

Orthoclase, quartz, aegirine Mt Ma

Orthoclase, quartz, aegirine Mt Malosa, Zomba Plateau, Malawi 106 mm x 25 mm. Orthoclase crystal size: 92 mm tall, 26 mm wide, 17 mm thick Frontal view (lots of small aegirine crystals) (Author: Carles Millan)

Orthoclase, quartz, aegirine Mt Ma

Orthoclase, Quartz, Epidote, Babingtonite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
64 x 57 mm (Author: Sante Celiberti)

Orthoclase, Quartz, Epidote, Babingtonite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piem

Orthoclase, Quartz, Epidote, Babingtonite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
64 x 57 mm (Author: Sante Celiberti)

Orthoclase, Quartz, Epidote, Babingtonite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piem

Orthoclase, Quartz, Epidote, Muscovite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
32 x 30 mm (Author: Sante Celiberti)

Orthoclase, Quartz, Epidote, Muscovite
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemont

Orthoclase, Quartz
Pegmatites outcrop, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid, Spain
10 x 8 cm. (Author: prcantos)

Orthoclase, Quartz
Pegmatites

Orthoclase, Quartz
Pegmatites outcrop, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid, Spain
FOV 4 cm. (Author: prcantos)

Orthoclase, Quartz
Pegmatites

Orthoclase, Quartz
Lodève, Lodève Canton, Lodève District, Hérault, Occitanie, France
12,5 x 5 x 4cm (Author: Dave van Bladel)

Orthoclase, Quartz
Lodève, Lo

Orthoclase, Quartz
Viladrau, Comarca Osona, Gerona / Girona, Catalonia / Catalunya, Spain
65 mm x 56 mm. Largest crystal: 33 mm. Mass: 93 g. (Author: Carles Millan)

Orthoclase, Quartz
Viladrau, C

Orthoclase. Massabé Quarry. La Selva. Sils. Gerona. Cataluña. Spain. 7 cm (Author: nimfiara)

Orthoclase. Massabé Quarry. La Sel

Orthoclase. Zarzalejo. Madrid. Spain. 9 cm. Crystal 5 cm (Author: nimfiara)

Orthoclase. Zarzalejo. Madrid. Spa

Orthoclase
Takatama Mine, Koriyama, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
4.9 x 7.8 cm (Author: crosstimber)

Orthoclase
Takatama Mine, Kori

Orthoclase
Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan
40,0 x 25,0 x 23,0 cm (Author: MIM Museum)

Orthoclase
Shigar Valley, Shig

Orthoclase
La Machota Baja outcrop, La Machota Baja, Barrio de la Estación, Zarzalejo, Comarca Sierra Oeste, Community of Madrid, Spain
5 x 3.5 cm. (Author: prcantos)

Orthoclase
La Machota Baja out

Orthoclase
La Machota Baja outcrop, La Machota Baja, Barrio de la Estación, Zarzalejo, Comarca Sierra Oeste, Community of Madrid, Spain
12 x 6 cm. (Author: prcantos)

Orthoclase
La Machota Baja out

Orthoclase
Casatscha Valley, Cristallina Valley, Medel Valley, Medel (Lucmagn), Surselva Region, Grischun (Grisons; Graubünden), Switzerland
22,0 x 20,0 x 16,0 cm (Author: MIM Museum)

Orthoclase
Casatscha Valley, C

Orthoclase
Erongo Mountain, Usakos, Erongo Region, Namibia
42 mm x 40 mm x 27 mm (Author: Don Lum)

Orthoclase
Erongo Mountain, Us

Orthoclase
Pitwak Mine, Ladjuar Medam, Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
4.1 x 3.7 cm (Author: am mizunaka)

Orthoclase
Pitwak Mine, Ladjua

Orthoclase
Erongo Mountain, Usakos, Erongo Region, Namibia
80 x 70 x 50 mm (Author: Rob Schnerr)

Orthoclase
Erongo Mountain, Us

Orthoclase
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
25 x 16 mm (Author: Sante Celiberti)

Orthoclase
Baveno, Maggiore La

Orthoclase
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
25 x 16 mm (Author: Sante Celiberti)

Orthoclase
Baveno, Maggiore La

Orthoclase
Valfloriana, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy
40,5 x 36 mm (Author: Sante Celiberti)

Orthoclase
Valfloriana, Trento

Orthoclase
Baito del Manzo, Valfloriana, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy
65 x 46,5 mm (Author: Sante Celiberti)

Orthoclase
Baito del Manzo, Va

Orthoclase
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
80 x 42 mm (Author: Sante Celiberti)

Orthoclase
Baveno, Maggiore La

Orthoclase
Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
72 x 26 mm (Author: Sante Celiberti)

Orthoclase
Baveno, Maggiore La

Orthoclase
Enfola Cape, Portoferraio, Elba Island, Livorno Province, Tuscany, Italy
63 x 60 mm (Author: Sante Celiberti)

Orthoclase
Enfola Cape, Portof

Orthoclase
Enfola Cape, Portoferraio, Elba Island, Livorno Province, Tuscany, Italy
50 x 45 mm (Author: Sante Celiberti)

Orthoclase
Enfola Cape, Portof

Orthoclase
Mount Crested Butte, Crested Butte, Ruby District, Gunnison County, Colorado, USA
120mm x 120mm x 30mm (Author: James Catmur)

Orthoclase
Mount Crested Butte

Orthoclase
Mount Crested Butte, Crested Butte, Ruby District, Gunnison County, Colorado, USA
30mm x 20mm x 10mm (Author: James Catmur)

Orthoclase
Mount Crested Butte

Orthoclase
Karibib District, Erongo Region, Namibia
23 x 15 x 28 cm / main crystal: 10.6 cm. (Author: MIM Museum)

Orthoclase
Karibib District, E

Orthoclase
Baito del Manzo, Valfloriana, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy
6 x 5 cm (Author: Volkmar Stingl)

Orthoclase
Baito del Manzo, Va

Ortochlase with quartz. Massabé Quarry. La Selva. Sils. Gerona. Cataluña. Spain. Crystal 6 cm. (Author: nimfiara)

Ortochlase with quartz. Massabé Qu

Osarizawaite, Wulfenite
Shelby Mine, White Hills, Cerbat Mountains, Gold Basin District, Mohave County, Arizona, USA
FOV = 2.0 mm (Author: Doug)

Osarizawaite, Wulfenite
Shelby

Osmium (variety iridosmine)
Municipio López de Micay, Occidente Province, Cauca Department, Colombia
2.5 x 2 x 1 cm / main crystal: 0.3 cm. (Author: MIM Museum)

Osmium (variety iridosmine)
Mu

Osumilite Obsidian Cliffs, North Sister Mountain, Lane County, Oregon, USA Crystal about 1 mm across. (Author: Pete Richards)

Osumilite Obsidian Cliffs, North S

Osumilite, Tridymite
Funtanafigu Quarry, Marrubiu, Arci Mountain, Oristano Province, Sardinia/Sardegna, Italy
12 x 10 cm (Author: Sante Celiberti)

Osumilite, Tridymite
Funtanafi

Osumilite, Tridymite
Funtanafigu Quarry, Marrubiu, Arci Mountain, Oristano Province, Sardinia/Sardegna, Italy
12 x 10 cm (Author: Sante Celiberti)

Osumilite, Tridymite
Funtanafi

Osumilite
Sakkabira, Osumi Peninsula, Kagoshima Prefecture, Kyushu Region, Japan
fov 6 mm (Author: ploum)

Osumilite
Sakkabira, Osumi Pen

Osumilite
Funtanafigu Quarry, Marrubiu, Arci Mountain, Oristano Province, Sardinia/Sardegna, Italy
FOV = 3.8 mm (Author: Doug)

Osumilite
Funtanafigu Quarry,

Osumilite
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA
FOV = 1.5 mm (Author: Doug)

Osumilite
Obsidian Cliffs, Nor

Osumilite
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA
FOV = 1.4 mm (Author: Doug)

Osumilite
Obsidian Cliffs, Nor

Osumilite
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA
FOV = 1.3 mm (Author: Doug)

Osumilite
Obsidian Cliffs, Nor

Osumilite
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA
FOV = 1.1 mm (Author: Doug)

Osumilite
Obsidian Cliffs, Nor

Osumilite
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA
FOV = 2.0 mm (Author: Doug)

Osumilite
Obsidian Cliffs, Nor

Other angle of the Acanthite. Uchucchacua Mine, Oyón Province, Department of Lima, Perú 30 mm x 12 mm x 6 mm (Author: Gianfranco Rodríguez T.)

Other angle of the Acanthite. Uchu