FMF Minerals Gallery

Beudantite Filón Sur, Tharsis, Alosno, Huelva, Spain FOV 1 mm pseudocubic beudantite crystals from Filón Sur. (Author: Cesar M. Salvan)

Beudantite
Filón Sur, Tharsi

Beudantite
Les Montmins Mine, Échassières, Ébreuil, Allier, Auvergne-Rhône-Alpes, France
fov 0.65 mm. (Author: ploum)

Beudantite
Les Montmins Mine,

Beudantite
Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu District, Dão-Lafões, Centro, Portugal
fov 1.5 mm (Author: ploum)

Beudantite
Alto das Quelhas do

Beudantite
Gold Hill Mine, Gold Hill, Gold Hill District, Tooele County, Utah, USA
FOV = 1.2 mm (Author: Doug)

Beudantite
Gold Hill Mine, Gol

Beudantite
Mohawk Mine, Mohawk Hill, Clark Mountains, Clark Mountain District (Clark District), San Bernardino County, California, USA
FOV = 1.7 mm (Author: Doug)

Beudantite
Mohawk Mine, Mohawk

Beyerite
Siebenschlehen Mine, Jung Zeche Spat vein, Neustädtel, Schneeberg District, Erzgebirgskreis, Saxony/Sachsen, Germany
Picture width: 1,7 mm. (Author: Andreas Gerstenberg)

Beyerite
Siebenschlehen Mine,

Big beryl crystal I found loose in the dirt at the base of a pegmatite (Author: thecrystalfinder)

Big beryl crystal I found loose in

big bolivian1.JPG (Author: GBS)

big bolivian1.JPG

Big Calcite with tiny Quartz crystals.JPG (Author: h.abbasi)

Big Calcite with tiny Quartz cryst

Big deep red Liddicoatite tourmaline head with Londonite xl in association, from Camp Robin area, Fianarantsoa Province, Madagascar Size 80 x 65 x 35 mm (Author: olelukoe)

Big deep red Lidd
Size 80 x 65 x 3

Big one (Author: Harjo)

Big one

Big plate-uncleaned/black manganese coating on crystals (Author: Jason)

Big plate-uncleaned/black manganes

big wulfy.JPG (Author: nurbo)

big wulfy.JPG

Bigger crystal (Author: Jason)

Bigger crystal

Bikitaite with Eosphorite Foote Mine, Kings Mountain District, Cleveland County, North Carolina, USA Mined about 1997 Former Silvane Collection Specimen size: 2.5 × 1 × 0.3 cm. Photo: Reference Specimens Rear of the specimen (Author: Jordi Fabre)

Bikitaite with Eosphorite Foote Mi

Bikitaite with Eosphorite Foote Mine, Kings Mountain District, Cleveland County, North Carolina, USA Mined about 1997 Former Silvane Collection Specimen size: 2.5 × 1 × 0.3 cm. Photo: Reference Specimens (Author: Jordi Fabre)

Bikitaite with Eosphorite Foote Mi

Bikitaite
Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland County, North Carolina, USA
1.5 x 0.5 x 4.5 cm / main crystal: 4.2 cm (Author: MIM Museum)

Bikitaite
Foote Lithium Co. Mi

Bill Pinch who owns one of the best, if not the best, worldwide collection of rare species, having a peaceful chat with John White in Tucson 2009 (Author: Pinch Bill)

Bill Pinch who owns one of the bes

Billietite, studtite, uranophane Shinkolobwe, Katanga, Democratic Republic of Congo (Zaïre). Exceptional piece (Author: Roger Warin)

Billietite, studtite, uranophane S

Bindheimite after bournonite with Azurite, Malachite and Quartz
Mas Dieu, Mercoirol, Alès, Gard, Occitanie, France
fov 4.5 mm (Author: ploum)

Bindheimite after bournonite with Azurite, Malachite and Quartz
Mas Dieu, Mercoir

Bindheimite after bournonite
Mas Dieu, Mercoirol, Alès, Gard, Occitanie, France
fov 3.6 mm (Author: ploum)

Bindheimite after bournonite
M

Bio mineral: Human mandibular first molar. Ca10 (PO4)6 (OH)2 and Ca10 (PO4)6 (OH1.8 F0.2) (Author: Turbo)

Bio mineral: Human mandibular fir

Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland Looking back down at where I had been earlier. Now comes the 10km hike back to the car.. (Author: Mike Wood)

Biod a’ Mhurain, Duirinish,

Biod a’ Mhurain, Duirinish, Isle of Skye, Scotland ’The Land That Time Forgot’ Dramatic scenery on the way to check out the calcite locality, where in the past I have collected some very nice rhombohedral crystals. (Author: Mike Wood)

Biod a’ Mhurain, Duirinish,

Biotite Bear Lake diggings, Tory Hill, Halliburton Co., Ontario, Canada 6.5 x 7.4 cm. Part of a medium sized book of biotite collected on 7-20-99. (Author: crosstimber)

Biotite Bear Lake diggings, Tory H

Biotite Lagno Amendolare, Sant’Anastasia, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy 1.45 mm bi colored Biotite crystal with Phillipsite (Author: Matteo_Chinellato)

Biotite Lagno Amendolare, Sant&rsq

Biotite Silver Crater Mine, Faraday Township, Hastings Co., Ontario, Canada 5.7 x 6.9 cm. Pseudohexagonal crystal of black biotite. Collected in 1962 when it went by the name lepidomelane. (Author: crosstimber)

Biotite Silver Crater Mine, Farada

Biotite on Calcite
Arandis, Swakopmund District, Erongo Region, Namibia
8,0 x 6,5 x 10,0 cm (Author: MIM Museum)

Biotite on Calcite
Arandis, Sw

Biotite Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada FOV=4mm (Author: Doug)

Biotite
Poudrette quarry

Biotite
Monzoni Mountains, Fassa Valley, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy
70,6 x 61 mm (Author: Sante Celiberti)

Biotite
Monzoni Mountains, Fas

Bipyramidal wulfenite on green mimetite. Mapimí, Durango, Mexico. 7 cm. (Author: javmex2)

Bipyramidal wulfe
Mapimí, Durango,

Birefringent Dolomite (detail); Cantera Azkárate, Eugi (Eugui), Esteribar, Navarre (Navarra), España. Field of view about 15mm square. GN’s collection id 09ESDm001. Stereo microscope, eyepiece projection, halogen + white LED illumination. (Author: Gerhard Niklasch)

Birefringent Dolo
Field of view abo

Birnessite Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada FOV=4mm (Author: Doug)

Birnessite
Poudrette quarry

Bisbee calcite, front view (Author: Tracy)

Bisbee calcite, front view

Bisbee calcite, rear view showing "tattoo" label (Author: Tracy)

Bisbee calcite, rear view showing

Bismoclite
El Guanaco Mine, Guanaco (Huanaco), Taltal, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile
FOV of 3.52mm (Author: ofarcis)

Bismoclite
El Guanaco Mine, Gu

Bismuth Mackenheim, Odenwald, Hesse, Germany sample width: 5 cm Crystallized "trees" covered with safflorite. From the famous 1975 find. (Author: Andreas Gerstenberg)

Bismuth Mackenheim, Odenwald, Hess

Bismuth Schlema Hartenstein District, Erzgebirge, Saxony, Germany 4x3,8x2,5 cm Very rare crystallized Bismuth associated with Erytrite and Dolomite. The main, euhedral crystal is up to 1 cm. (Author: Simone Citon)

Bismuth Schlema Hartenstein Distri

Bismuth with Dolomite and Erythrite
Gang Opal, level 371, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, Germany
9 x 11 x 8 cm / main crystal: 2.2 cm. (Author: MIM Museum)

Bismuth with Dolomite and Erythrite
Gang Opal, level 371, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, G

Bismuth with Dolomite and Erythrite
Gang Opal, level 371, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, Germany
9 x 11 x 8 cm / main crystal: 2.2 cm. (Author: MIM Museum)

Bismuth with Dolomite and Erythrite
Gang Opal, level 371, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, G

Bismuth, Baryte
Gnade Gottes Mine, Alter Schmiedestollen adit, Wittichen, Schenkenzell, Rottweil, Black Forest, Baden-Württemberg, Germany
1,2 x 1 cm (Author: Volkmar Stingl)

Bismuth, Baryte
Gnade Gottes M

Bismuth, Baryte
Gnade Gottes Mine, Alter Schmiedestollen adit, Wittichen, Schenkenzell, Rottweil, Black Forest, Baden-Württemberg, Germany
1,2 x 1 cm (Author: Volkmar Stingl)

Bismuth, Baryte
Gnade Gottes M

Bismuth, Koechlinite
Punta de Su Seinargiu, Sarroch, Metropolitan City of Cagliari, Sardinia/Sardegna, Italy
32 x 31 mm (Author: Sante Celiberti)

Bismuth, Koechlinite
Punta de

Bismuth, Quartz, Bismuthinite
Dolores Mine, Dolores Mining Group, Las Lomas, Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia, Spain
59 mm x 34 mm (Author: Carles Millan)

Bismuth, Quartz, Bismuthinite

Bismuth, Quartz, Bismuthinite
Dolores Mine, Dolores Mining Group, Las Lomas, Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia, Spain
59 mm x 34 mm (Author: Carles Millan)

Bismuth, Quartz, Bismuthinite

Bismuth
Gang Opal, shaft 38, - 855 m level, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, Germany
6 x 4,5 cm (Author: Andreas Gerstenberg)

Bismuth
Gang Opal, shaft 38, -

Bismuth
Gang Opal, shaft 38, - 855 m level, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen, Germany
6 x 4,5 cm (Author: Andreas Gerstenberg)

Bismuth
Gang Opal, shaft 38, -

Bismuth
Deputatskoe deposit, Verkhoyansk, Verkhoyansk Silver Province, Sakha Republic (Yakutia), Russia
20 x 10 x 5 mm (Author: Rob Schnerr)

Bismuth
Deputatskoe deposit, V

Bismuth
Boccheggiano Mines, Montieri, Grosseto Province, Tuscany, Italy
73 x 53 mm (Author: Sante Celiberti)

Bismuth
Boccheggiano Mines, Mo

Bismuthinite
Tazna Mine (Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department, Bolivia
2.5 x 1.5 x 6.5 cm / main crystal: 6.5 cm (Author: MIM Museum)

Bismuthinite
Tazna Mine (Tazna

Bismutinite
Brosso Mine, Cálea, Léssolo, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte), Italy
62 x 49 mm (Author: Sante Celiberti)

Bismutinite
Brosso Mine, Cále

Bismutotantalite zoned with Bismuth & Stibiotantalite (variety Nb-bearing) and with Albite and T
Ifẹ, Osun State, Nigeria
7 x 6 x 16 cm (Author: MIM Museum)

Bismutotantalite zoned with Bismuth & Stibiotantalite (variety Nb-bearing) and with Albite and Tourmaline (Group)

Bixbyite Thomas Range, Juab Co., Utah, USA 9.36 mm (Author: Matteo_Chinellato)

Bixbyite Thomas Range, Juab Co., U

Bixbyite Thomas Range, Juab Co., Utah, USA 5.93x6.12 mm (Author: Matteo_Chinellato)

Bixbyite Thomas Range, Juab Co., U

Bixbyite Thomas Range, Juab Co., Utah, USA 7.94 mm (Author: Matteo_Chinellato)

Bixbyite Thomas Range, Juab Co., U

Bixbyite with Topaz Thomas Range, Juab County, Utah, USA Crystal size: 1.2 × 1.1 cm. Photo: Reference Specimens Detail (Author: Jordi Fabre)

Bixbyite with Topaz Thomas Range,

Bixbyite with Topaz Thomas Range, Juab County, Utah, USA Specimen size: 5.1 × 3.7 × 2.4 cm. Main crystal size: 1.2 × 1.1 cm. Photo: Reference Specimens (Author: Jordi Fabre)

Bixbyite with Topaz Thomas Range,

Bixbyite, Topaz, Pseudobrookite
Thomas Range, Juab County, Utah, USA
25 x 22 mm (Author: Sante Celiberti)

Bixbyite, Topaz, Pseudobrookite
Thomas Range, Juab County, Utah, U

Bixbyite
Topaz Mountain, Thomas Range, Juab County, Utah, USA
4.9 x 5.6 cm (Author: crosstimber)

Bixbyite
Topaz Mountain, Thoma

Bixbyite
Thomas Range, Juab County, Utah, USA
7,0 x 5,0 x 7,5 cm (Author: MIM Museum)

Bixbyite
Thomas Range, Juab Co

Bixbyite
Thomas Range, Juab County, Utah, USA
1.1 x 2.3 cm (Author: crosstimber)

Bixbyite
Thomas Range, Juab Co

Bixbyite
Tepetate, Municipio Villa de Arriaga, San Luis Potosí, Mexico
FOV = 5.8 ,, (Author: Doug)

Bixbyite
Tepetate, Municipio V

Bixbyite
Thomas Range, Juab County, Utah, USA
31 mm x 22 mm x 9 mm (Author: Don Lum)

Bixbyite
Thomas Range, Juab Co

Bixbyite
Thomas Range, Juab County, Utah, USA
31 mm x 22 mm x 9 mm (Author: Don Lum)

Bixbyite
Thomas Range, Juab Co

Bixbyite
The Cove, Topaz Mountain, Thomas Range, Juab County, Utah, USA
16 x 14 x 6 mm (Author: Rob Schnerr)

Bixbyite
The Cove, Topaz Mount

Bixbyite
Topaz Mountain, Thomas Range, Juab County, Utah, USA
8.7 x 6.6 x 4.5 cm, FOV = 2.0 cm (Author: Michael Shaw)

Bixbyite
Topaz Mountain, Thoma

Bixbyite
Topaz Mountain, Thomas Range, Juab County, Utah, USA
8.7 x 6.6 x 4.5 cm (Author: Michael Shaw)

Bixbyite
Topaz Mountain, Thoma

Bizarre corroded fluorite crystal from Michaelis Flacher vein, 270 shaft, Annaberg district, Erzgebirge, Saxony. It is remarkable that just the edges of the crystals are clear and show the strange figures. From an awesome find some years ago. (Author: Andreas Gerstenberg)

Bizarre corroded fluorite crystal

Bizarre gypsum aggregate (10 cm width) from Nietleben near Halle, Saxony-Anhalt. (Author: Andreas Gerstenberg)

Bizarre gypsum aggregate (10 cm wi

Black agate Metaliferi Mountains, Romania 55x45x35 mm (Author: mihailovici79)

Black agate Metaliferi Mountains,

Black and grey apophyllite (2 generations) from Murdockville, Quebec, Canada. 13 x 12 x 6 cm. Has a very satiny luster and "soft texture" not evident from the photo. Individual crystals to about 1.5 cm and are on a translcent, pale yellow calcite matrix. (Author: Tracy)

Black and grey apophyllite (2 gene

Black ilmenite inclusions (labelled as "kibdelophane") in sanidinite from Laacher See volcano, Niedermendig, Eifel mtns., Rhineland-Palatinate. 6 cm sample. (Author: Andreas Gerstenberg)

Black ilmenite inclusions (labelle

Black River agate cut and polish. (Author: condoragatemines)

Black River agate cut and polish.

Black River agate rough (Author: condoragatemines)

Black River agate rough

Black river agate rough (Author: condoragatemines)

Black river agate rough

Black siderite in the variety sphaerosiderite on basalt rock from the Steinheim quarry, Hanau, Hesse. 5,5 cm in width. (Author: Andreas Gerstenberg)

Black siderite in the variety spha

Black Tourmaline Green Dream Claim, Revelstoke, BC, Canada (Author: thecrystalfinder)

Black Tourmaline Green Dream Claim

Black Tourmaline Green Dream Claim, Revelstoke, BC, Canada 2 inches long long slender black tourmaline, has perfect trigonal tip. from a pocket at my green dream claim (Author: thecrystalfinder)

Black Tourmaline Green Dream Claim

Black, iron bearing rocks are in abundance; some with a jet black colour. (Author: Pierre Joubert)

Black, iron bearing rocks are in a

Blackdene Mine (Author: Gail)

Blackdene Mine

Blackish grey jordisite - a rare mo-sulfide from the Glückauf Shaft (type locality), Langenau, Freiberg district, Erzgebirge, Saxony. 6,5 cm sample. (Author: Andreas Gerstenberg)

Blackish grey jordisite - a rare m

blackrock claim main workings (Author: thecrystalfinder)

blackrock claim main workings

Blesberg mine from the Western side (Author: Pierre Joubert)

Blesberg mine from the Western sid

Blue barite from Morocco (Author: Fiebre Verde)

Blue barite from Morocco

Blue beryl - first photo (Author: xenolithos)

Blue beryl - first photo

Blue beryl - second photo (Author: xenolithos)

Blue beryl - second photo

Blue chalcanthite on a matrix, from Planet Mine, La Paz, Arizona, United States Of America. It weighs 98,4 grams and measures 104mm by 55mm by 32mm. (Author: Paul S)

Blue chalcanthite on a matrix, fro

Blue cyanotrichite with white chalkoalumite and green brochantite from St. Briccius mine, Annaberg district, Erzgebirge, Saxony. Picture width 5 mm. (Author: Andreas Gerstenberg)

Blue cyanotrichite with white chal

Blue Fluorite and Specularite on Hematite, Florence Mine, Egremont, Cumbria, 80 x 40 x 25 mm (Author: nurbo)

Blue Fluorite and Specularite on H

Blue Fluorite on Quartz
Huanggang Mines, shaft 4, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China
Size: 21*15*11.5cm Weight:2925g (Author: Xueyan Jin)

Blue Fluorite on Quartz
Huangg

Blue green tourmaline cluster from Pederneria, Brazil. 6 x 6 x 2 cm and weighs 30 grams (Author: VRigatti)

Blue green tourmaline cluster from

Blue mansfieldite on quartz from Himmelfahrt mine, Neubulach, Black Forest, Baden-Wurttemberg. (Author: Andreas Gerstenberg)

Blue mansfieldite on quartz from H

Blue Quartz A-23 Highway cut, Altura, Castellón, Valencian Community, Spain 4x3,4 cm. Doubly terminated crystal; 2,3 cm. (Author: DAni)

Blue Quartz A-23 Highway cut, Altu

Blue Quartz La Juanona quarry - Antequera - Málaga - Andalusia - Spain 6x5 cm. Crystal; 1,4 cm. (Author: DAni)

Blue Quartz La Juanona quarry - An

Blue Quartz La Juanona quarry, Antequera, Málaga, Andalusia, Spain 23 x 15 mm (Author: nurbo)

Blue Quartz La Juanona quarry, Ant

Blue Quartz and Hematite La Juanona quarry, Antequera, Málaga, Andalusia, Spain Approx 4 mm across (Author: nurbo)

Blue Quartz and Hematite La Juano

Blue Quartz and Hematite La Juanona quarry, Antequera, Málaga, Andalusia, Spain Approx 4 mm across (Author: nurbo)

Blue Quartz and Hematite La Juanon

Blue Quartz and Hematite La Juanona quarry, Antequera, Málaga, Andalusia, Spain Approx 4 mm across (Author: nurbo)

Blue Quartz and Hematite La Juanon

Blue Quartz with Magnesioriebeckite Inclusions Juanona Quarry, Antequera, Malaga, Spain 6.1 x 5.7 x 3.8 cm (Author: Don Lum)

Blue Quartz with Magnesioriebeckit

Blue Quartz with Magnesioriebeckite Inclusions Juanona Quarry, Antequera, Malaga, Spain 6.1 x 5.7 x 3.8 cm (Author: Don Lum)

Blue Quartz with Magnesioriebeckit

Blue Quartz. (Some crystals are cubics) Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 50x50mm (Author: trencapedres)

Blue Quartz. (Som
Los Vives - Orihu

Blue Quartz. La Juanona. Antequera. Málaga. Spain 5 cm aprox. (Author: nimfiara)

Blue Quartz. La J
5 cm aprox.

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 20x10mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 20x10mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 80x30mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 60x40mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 50x50mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 70x50mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 50x45mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 20x10mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz. Los Vives - Orihuela - Alicante (Spain) Size of the specimen: 80x60mm (Author: trencapedres)

Blue Quartz.
Los Vives - Orihu

Blue Quartz
Acedo claim (Juanona Quarry), Juanona, Antequera, Comarca de Antequera, Málaga, Andalusia, Spain
10x12x7mm (Author: Carlos Pareja)

Blue Quartz
Acedo claim (Juano

Blue topaz San Nicolás Quarry. La Serena Valley. Babajoz. Extremadura. Spain. 3,2 cm ...and finally... (Author: nimfiara)

Blue topaz San Nicolás Quarry. La

Blue topaz San Nicolás Quarry. La Serena Valley. Babajoz. Extremadura. Spain. 3,2 cm Other perspective (Author: nimfiara)

Blue topaz San Nicolás Quarry. La

Blue topaz San Nicolás Quarry. La Serena Valley. Babajoz. Extremadura. Spain. 3,2 cm In my hand (Author: nimfiara)

Blue topaz San Nicolás Quarry. La

Blue topaz San Nicolás Quarry. La Serena Valley. Babajoz. Extremadura. Spain. 3,2 cm The same on the other side (Author: nimfiara)

Blue topaz San Nicolás Quarry. La

Blue topaz San Nicolás Quarry. La Serena Valley. Babajoz. Extremadura. Spain. 3,2 cm (Author: nimfiara)

Blue topaz San Nicolás Quarry. La

Blue Topaz, Xanda Mine (Xandra Mine), Virgem da Lapa, Minas Gerais, Southeast Region, Brazil Size 100 x 70 x 80 mm (Author: olelukoe)

Blue Topaz, Xand
Size 100 x 70 x

Blue violet fluorite cubes on dolomite - a classic from Caaschwitz quarry, Gera, Thuringia. The cube aggregate measures about 3 cm in width. (Author: Andreas Gerstenberg)

Blue violet fluorite cubes on dolo

Bluish apatite crystals (5 cm aggregate) in illite matrix from Riesenberg quarry, Hinterohlsbach, Black Forest, Baden-Württemberg. (Author: Andreas Gerstenberg)

Bluish apatite crystals (5 cm aggr

Bluish grey baryte crystals from the Lanwehr quarry, Müschede, Sauerland, Westphalia. Müschede is a known German locality for barytes, samples up to 20 x 20 cm and more, over and over covered with light grey "Meißelspat" crystals have been found here. (Author: Andreas Gerstenberg)

Bluish grey baryte crystals from t

Bobdownsite Big Fish River, Yukon Territory, Canada 8 x 5.3 cm Named in honor of Dr. Robert Terrance Downs in 2008. Dr. Downs is the well-known Professor of Geophysics at the University of Arizona and chief adviser to the RRUFF project. (Author: Don Lum)

Bobdownsite Big Fish River, Yukon

Bobdownsite
Big Fish River, Dawson mining district, Yukon Territory, Canada
7.0 x 6.0 x 2.0 cm (Author: MIM Museum)

Bobdownsite
Big Fish River, Da

Bobierrite on Collinsite
Kovdor Zheleznyi Mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia
6.5 x 5 x 3.5 cm / main crystal: 2.0 cm (Author: MIM Museum)

Bobierrite on Collinsite
Kovdo

Bocamina Magazine (2002). Spanish magazine (nowadays closed) of mineral deposits (Author: Manuel Mesa)

Bocamina Magazine (2002). Spanish

Bodenite is a variety of allanite-(Y). Label from 1926. From type locality Boden limestone deposit, near Marienberg, Saxony. (Author: Andreas Gerstenberg)

Bodenite is a variety of allanite-

Boggsite, Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 2.0 (Author: Doug)

Boggsite, Tschernichite
Neer R

Boggsite, Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.2 mm (Author: Doug)

Boggsite, Tschernichite
Neer R

Boggsite, Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.2 mm (Author: Doug)

Boggsite, Tschernichite
Neer R

Boggsite, Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 1.8 mm (Author: Doug)

Boggsite, Tschernichite
Neer R

Boleite Amelia Mine, Boleo District, Baja California Sur, Mexico 17 x 13 mm (Author: Don Lum)

Boleite Amelia Mine, Boleo Distric

Boleite Amelia Mine, Boleo District, Baja California Sur, Mexico 17 x 13 mm (Author: Don Lum)

Boleite Amelia Mine, Boleo Distric

Boleite Amelia Mine, Santa Rosalia, Baja Calif., Mexico Xl on left = 0.8 cm, right xl. = 0.6 cm (Author: crosstimber)

Boleite Amelia Mine, Santa Rosalia

Boleite La Compañia Mine, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile fov 2 mm (Author: ploum)

Boleite La Compañia Mine, Caracole

Boleite in Matrix Amelia mine, Santa Rosalia, Mexico 4 mm crystal; overall specimen 2.8 cm (Author: Chris Wentzell)

Boleite in Matrix Amelia mine, San

Boleite on anglesite 1cm Boleo Mexico (Author: parfaitelumiere)

Boleite on angles
1cm

Boleite on Anglesite, 4 x 4 x 2 mm El Boleo, Santa Rosalia, Baja California, Mexico (Author: nurbo)

Boleite on Anglesite, 4 x 4 x 2 mm

Boleite on Anglesite, Santa Rosalia (El Boleo), Boleo District, Mun de Mulege , Baja sur California, Mexico. 4 mm max dimension. too small to get a clear photo but beatifully perfect for so small a thing. (Author: nurbo)

Boleite on Anglesite, Santa Rosali

Boleite, Clinoatacamite, Gypsum
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
5.0 x 4.0 cm (Author: Don Lum)

Boleite, Clinoatacamite, Gypsum
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexi

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,0 x 1,0 x 1,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
5,0 x 5,0 x 5,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleïte
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 2.2 mm (Author: ploum)

Boleïte
La Compañía Mine, C

Boleïte
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 1.1 mm (Author: ploum)

Boleïte
La Compañía Mine, C

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,0 x 1,0 x 1,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,5 x 1,5 x 1,5 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
2,5 x 2,5 x 2,5 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,0 x 1,0 x 1,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,0 x 1,0 x 1,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
1,0 x 1,0 x 1,0 cm (Author: MIM Museum)

Boleite
Amelia Mine, Santa Ros

Boleite
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 1.5 mm (Author: ploum)

Boleite
La Compañía Mine, Ca

Boleite
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 1.0 mm (Author: ploum)

Boleite
La Compañía Mine, Ca

Boleite
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 2.0 mm (Author: ploum)

Boleite
La Compañía Mine, Ca

Boleite
La Compañía Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile
fov 1.8 mm (Author: ploum)

Boleite
La Compañía Mine, Ca

Boleite
Mammoth-St. Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona, USA
5.5cm x 3.0cm (Author: rweaver)

Boleite
Mammoth-St. Anthony Mi

Boleite
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur, Mexico
11x14x9mm (Author: Carlos Pareja)

Boleite
Amelia Mine, Santa Ros

Boltwoodite Rossing Mine, Namibia 9 mm. (Author: Benj)

Boltwoodite Rossing Mine, Namibia

Boltwoodite and Calcite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
66 x 45 x 23 mm (Author: Pierre Joubert)

Boltwoodite and Calcite
Goanik

Boltwoodite and Calcite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
66 x 45 x 23 mm (Author: Pierre Joubert)

Boltwoodite and Calcite
Goanik

Boltwoodite and Calcite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
66 x 45 x 23 mm (Author: Pierre Joubert)

Boltwoodite and Calcite
Goanik

Boltwoodite with Calcite
Rössing Mine, Arandis, Swakopmund District, Erongo Region, Namibia
8,5 x 6,0 x 5,5 cm (Author: MIM Museum)

Boltwoodite with Calcite
Röss

Boltwoodite with Calcite
Rössing Mine, Arandis, Swakopmund District, Erongo Region, Namibia
8,5 x 6,0 x 5,5 cm (Author: MIM Museum)

Boltwoodite with Calcite
Röss

Boltwoodite, Calcite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
6 x 5 cm (Author: Volkmar Stingl)

Boltwoodite, Calcite
Goanikont

Boltwoodite, Calcite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
6 x 5 cm (Author: Volkmar Stingl)

Boltwoodite, Calcite
Goanikont

Boltwoodite
New Method Mine, Amboy area, Bristol Mountains, San Bernardino County, California, USA
FOV = 4.0 mm (Author: Doug)

Boltwoodite
New Method Mine, A

Boltwoodite
New Method Mine, Amboy area, Bristol Mountains, San Bernardino County, California, USA
FOV = 2.9 mm (Author: Doug)

Boltwoodite
New Method Mine, A

Boltwoodite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
8.4 x 4.8 x 3.0 cm (Author: Michael Shaw)

Boltwoodite
Goanikontes claim,

Boltwoodite
Goanikontes claim, Goanikontes, Swakopmund District, Erongo Region, Namibia
8.4 x 4.8 x 3.0 cm (Author: Michael Shaw)

Boltwoodite
Goanikontes claim,

BOOK (Author: Sammy)

BOOK

Book 1 (Author: Lumaes)

Book 1

Book 1 (Author: Lumaes)

Book 1

Book 2 (Author: Lumaes)

Book 2

Book 2 (Author: Lumaes)

Book 2

Book 3 (Author: Lumaes)

Book 3

BOOK ON BOLIVIAN MINERALS ca. 1955 (Author: Samuel)

BOOK ON BOLIVIAN MINERALS ca. 1955

Bookite 11cm Mont Bregaceto Italy (Author: parfaitelumiere)

Bookite
11cm

Boracite Gröna Mine, Bernburg, Stassfurt Potash Deposit, Saxony-Anhalt, Germany FOV 10,54mm 1x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)

Boracite Gröna Mine, Bernburg, Sta

Boracite Gröna Mine, Bernburg, Stassfurt Potash Deposit, Saxony-Anhalt, Germany FOV 11,87mm 1x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)

Boracite Gröna Mine, Bernburg, Sta

Boracite Ludwig II shaft, Staßfurt, Saxony-Anhalt, Germany. crystal width: 4-6 mm A 1923 find in original glass vial. (Author: Andreas Gerstenberg)

Boracite Ludwig II shaft, Staßfurt

Boracite Sehnde, Hildesheim, Lower Saxony, Germany 10 mm (Author: Gerhard Brandstetter)

Boracite Sehnde, Hildesheim, Lower

Boracite Frischglück potash mine, Eime, Lower Saxony, Germany 3 mm (Author: Andreas Gerstenberg)

Boracite Frischglück potash mine,

Boracite (note phantom) Venice Salt Dome, Venice, Louisiana, USA About 1 mm on edge. Theorically Louisiana is poor in minerals. Pete Richards proves the oposite with these excellent photographs. Thanks Pete! (Author: Jordi Fabre)

Boracite (note ph
Venice Salt Dome,

Boracite and Hilgardite
Boulby Mine, Loftus, Yorkshire, England / United Kingdom
FOV of 6.74mm. Crystal of 0.93mm (Author: ofarcis)

Boracite and Hilgardite
Boulby

Boracite
Gröna Mine, Bernburg, Stassfurt, Saxony/Sachsen, Germany
fov (Author: ploum)

Boracite
Gröna Mine, Bernburg

Boracite
Lüneburg Kalkberg, Lüneburg, Lower Saxony/Niedersachsen, Germany
11 mm crystal (Author: Andreas Gerstenberg)

Boracite
Lüneburg Kalkberg, L

Boracite
Bernburg, Stassfurt, Saxony-Anhalt/Sachsen-Anhalt, Germany
fov 10 mm (Author: ploum)

Boracite
Bernburg, Stassfurt,

Boracite
Boulby Mine, Loftus, Yorkshire, England / United Kingdom
7.8 x 4.5 cm (Author: Michael Shaw)

Boracite
Boulby Mine, Loftus,

Boracite
Bernburg, Stassfurt, Saxony-Anhalt/Sachsen-Anhalt, Germany
1,5 x 1,2 cm (Author: Volkmar Stingl)

Boracite
Bernburg, Stassfurt,

Borax
Boron, Kramer District (Kramer Borate District), Kern County, California, USA
approx. 30 cm (Author: Tobi)

Borax
Boron, Kramer District (

Borcarite and Cahnite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
40 x 30 x 17 mm (Author: SunYi)

Borcarite and Cahnite
Shijiang

Borcarite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
8,0 x 3,5 x 5,5 cm (Author: MIM Museum)

Borcarite
Shijiangshan Mine, S

Bornita pseudomorfica de galena Mina Dzhezkazgan, Dzhezkazgan, Karagandy, Kazakhstan Encuadre 29,16mm 0,68x. Carril de enfoque MacroRail. Canon EOS 600D. Luces Ikea Fotografía: Oscar Fernández Arcís, Mineral: Manuel de Torres (Autor: Oscar Fernandez)

Bornita pseudomorfica de galena Mi

Bornite Bristol, Connecticut USA 8 cm (Author: Roger Warin)

Bornite Bristol, Connecticut USA 8

Bornite Bristol, Connecticut USA Another Crystal with unknown paragenesis (Author: Roger Warin)

Bornite Bristol, Connecticut USA A

Bornite Bristol, Connecticut USA detail (Author: Roger Warin)

Bornite Bristol, Connecticut USA d

Bornite Bristol, Connecticut USA fine crystal (Author: Roger Warin)

Bornite Bristol, Connecticut USA f

Bornite ( ps. Chalcocite ) with Chalcocite Flambeau Mine, near Ladysmith, Rusk County, Wisconsin, USA 85 x 74 x 64 mm Bluish, iridescent Bornite has pseudomorphed crystals of Chalcocite to 47 x 35 x 17 mm in size make up this floater grouping with no matrix or points of attachment. Shiny black crystals of Chalcocite are sprinkled upon the specimen. This is an excellent specimen, with no damage. (Author: GneissWare)

Bornite ( ps. Chalcocite ) with Ch

Bornite ( ps. Chalcocite ) with Chalcocite Flambeau Mine, near Ladysmith, Rusk County, Wisconsin, USA 85 x 74 x 64 mm Bluish, iridescent Bornite has pseudomorphed crystals of Chalcocite to 47 x 35 x 17 mm in size make up this floater grouping with no matrix or points of attachment. Shiny black crystals of Chalcocite are sprinkled upon the specimen. This is an excellent specimen, with no damage. (Author: Jordi Fabre)

Bornite ( ps. Chalcocite ) with Ch

Bornite with quartz. St Ives Consols, St Ives, Cornwall, England, UK. 36 mm specimen. (Author: Ru Smith)

Bornite with quartz. St Ives Conso

Bornite, Quartz
Dzhezkazgan Mine, Dzhezkazgan, Karaganda Region, Kazakhstan
62 x 56 mm (Author: Sante Celiberti)

Bornite, Quartz
Dzhezkazgan Mi

Bornite
Neue Haardt Mine, Weidenau, Siegen, Siegen-Wittgenstein District, Arnsberg, North Rhine-Westphalia/Nordrhein-Westfalen, Germany
9 x 6,5 cm (Author: Andreas Gerstenberg)

Bornite
Neue Haardt Mine, Weid

Bornite
Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall, England / United Kingdom
10,5 x 7,0 x 5,5 cm (Author: MIM Museum)

Bornite
Carn Brea, Pool, Illog

Bornite
Dzhezkazgan Mine, Dzhezkazgan, Karaganda Region, Kazakhstan
fov 12 mm (Author: ploum)

Bornite
Dzhezkazgan Mine, Dzhe

Bornite
Montecastelli Pisano, Castelnuovo Val di Cecina, Pisa Province, Tuscany, Italy
29 x 18 mm (Author: Sante Celiberti)

Bornite
Montecastelli Pisano,

Both mineral display cabinets, all specimens from Skye and Arran. As before, lighting is six (2W) (4100K) LED strips; supplied by Paul Lowe. Each cabinet is 80cm across and 50cm high. (Author: Mike Wood)

Both mineral display cabinets, all

Botryogen & Halotrichite 33 level, Pozo Alfredo, Río Tinto mines. Huelva, Spain FOV 14,98mm 1,5x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)

Botryogen & Halotrichite 33 le

Botryogen, Pickeringite
Fenice Capanne Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
62 x 35 mm (Author: Sante Celiberti)

Botryogen, Pickeringite
Fenice

Botryogen, Pickeringite
Fenice Capanne Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
62 x 35 mm (Author: Sante Celiberti)

Botryogen, Pickeringite
Fenice

Botryogen
Libiola Mine, Sestri Levante, Genova Province, Liguria, Italy
4.3 x 6.7 cm (Author: crosstimber)

Botryogen
Libiola Mine, Sestri

Botryogen
Libiola Mine, Sestri Levante, Genova Province, Liguria, Italy
4.3 x 6.7 cm (Author: crosstimber)

Botryogen
Libiola Mine, Sestri

Botryogen
Falun, Dalarna, Sweden
11 x 9 x 6.5 cm / main crystal: 0.4 cm (Author: MIM Museum)

Botryogen
Falun, Dalarna, Swed

Botryoidal hemimorphite, Durango, Mexico, approx. 8 cm wide. (Author: Montanpark)

Botryoidal hemimorphite, Durango,

Bottinoite
Nueva Virginia Mine, Royo ravine, Lanzuela, Comarca Jiloca, Teruel, Aragon, Spain
fov 0,9 mm (Author: Rewitzer Christian)

Bottinoite
Nueva Virginia Mine

Bottinoite
Nueva Virginia Mine, Royo ravine, Lanzuela, Comarca Jiloca, Teruel, Aragon, Spain
fov 1.2 mm (Author: Rewitzer Christian)

Bottinoite
Nueva Virginia Mine

bottom side
Rensselaer Quarry, Rensselaer, Marion Township, Jasper County, Indiana, USA
100 MM X 90 MM X 73 MM (Author: R Saunders)

bottom side
Rensselaer Quarry,

Boulangerite Trepca complex, Kosovska Mitrovica, Kosovo 10.1 x 11.3 cm Acicular metallic gray boulangerite crystals lining a seam in crystallized black sphalerite, associated with spherical brown siderite and colorless calcite. Mined in 2011. (Author: crosstimber)

Boulangerite Trepca complex, Kosov

Boulangerite on Calcite matrix Mina Noche Buena, Mazapil, Zacatecas, Mexico 87x80x66mm (Author: Carlos M.)

Boulangerite on C
Mina Noche Buena,

Boulangerite on matrix. Mina Noche Buena. Noche Buena, Municipio de Mazapil, Zacatecas, Mexico. 12 x 10 x 8 cm. (Author: Lumaes)

Boulangerite on matrix. Mina Noche

Boulangerite on matrix. Mina Noche Buena. Noche Buena, Municipio de Mazapil, Zacatecas, Mexico. 12 x 10 x 8 cm. (Author: Lumaes)

Boulangerite on matrix. Mina Noche

Boulangerite on matrix. Mina Noche Buena. Noche Buena, Municipio de Mazapil, Zacatecas, Mexico. 12 x 10 x 8 cm. (Author: Lumaes)

Boulangerite on matrix. Mina Noche

Boulangerite on pyrite 3cm La Mure Isère France (Author: parfaitelumiere)

Boulangerite on p
3cm

Boulangerite with Quartz
Second Sovetskii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia
15 x 13 x 8 cm (Author: MIM Museum)

Boulangerite with Quartz
Secon

Boulangerite, Baryte (Author: am mizunaka)

Boulangerite, Baryte

Boulangerite, Baryte
Cavnic mining area, Cavnic, Maramures, Romania
14.2 x 6.2 cm (Author: am mizunaka)

Boulangerite, Baryte
Cavnic mi

Boulangerite, Dolomite
Ramsbeck, Bestwig, Distrito Hochsauerland, Arnsberg, North Rhine-Westphalia/Nordrhein-Westfalen, Germany
~ 13 cm (Author: Tobi)

Boulangerite, Dolomite
Ramsbec

Boulangerite, Pyrite
Noche Buena Mine, Noche Buena, Municipio Mazapil, Zacatecas, Mexico
115 mm x 80 mm x 30 mm (Author: Robert Seitz)

Boulangerite, Pyrite
Noche Bue

Boulangerite, Siderite
Bottino Mine, Sant'Anna (Sant'Anna di Stazzema), Apuan Alps, Stazzema Municipality, Lucca Province, Tuscany, Italy
11 x 9 cm (Author: Sante Celiberti)

Boulangerite, Siderite
Bottino

Boulangerite, Siderite
Bottino Mine, Sant'Anna (Sant'Anna di Stazzema), Apuan Alps, Stazzema Municipality, Lucca Province, Tuscany, Italy
3.5 x 1.5 cm (Author: Volkmar Stingl)

Boulangerite, Siderite
Bottino

Boulangerite
Glanzenberg Mine, Silberg, Kirchhundem, Olpe, Sauerland, North Rhine-Westphalia/Nordrhein-Westfalen, Germany
5,5 x 4,7 x 3 cm. (Author: J. G. Alcolea)

Boulangerite
Glanzenberg Mine,

Boulangerite
Silver tunnel, Van Silver Property , Brandywine Creek, Vancouver Mining Division, Vancouver Island, British Columbia, Canada
FOV = 4.0 mm (Author: Doug)

Boulangerite
Silver tunnel, Va

Boulangerite
Sala Silver Mine, Sala, Västmanland, Sweden
7.5 x 3.5 x 3.8 cm (Author: Michael Shaw)

Boulangerite
Sala Silver Mine,

Boulangerite
Sala Silver Mine, Sala, Västmanland, Sweden
7.5 x 3.5 x 3.8 cm (Author: Michael Shaw)

Boulangerite
Sala Silver Mine,

Boulangerite
Ramsbeck, Bestwig, Distrito Hochsauerland, Arnsberg, North Rhine-Westphalia/Nordrhein-Westfalen, Germany
9.2 x 4.7 x 2.9 cm (Author: Michael Shaw)

Boulangerite
Ramsbeck, Bestwig

boulder (Author: Glenn Rhein)

boulder

Bourbankita - 2,5 cm X 0,8 cm X 1,5 cm Pedreira da Prefeitura (closed) Poços de Caldas Minas Gerais, Brasil (Author: silvio steinhaus)

Bourbankita - 2,5
Pedreira da Prefe

Bournonite Beihilfe mine, Halsbrücke, Freiberg district, Erzgebirge, Saxony, Germany. 3 x 2,5 cm Rather big crystals up to 2 cm forming a cluster. (Author: Andreas Gerstenberg)

Bournonite Beihilfe mine, Halsbrüc

Bournonite Georg mine, Willroth, Westerwald, Rhineland-Palatinate, Germany. 4 x 3 cm Single crystal on scarse siderite matrix. (Author: Andreas Gerstenberg)

Bournonite Georg mine, Willroth, W

Bournonite Machacamarca District, Potosi Department, Bolivia 3.6 x 3.5 cm (Author: Don Lum)

Bournonite Machacamarca District,

Bournonite Machacamarca District, Potosi Department, Bolivia 3.6 x 3.5 cm (Author: Don Lum)

Bournonite Machacamarca District,

Bournonite Machacamarca District, Potosi Department, Bolivia 3.6 x 3.5 cm (Author: Don Lum)

Bournonite Machacamarca District,

Bournonite No. 6 Mine, Baia Sprie, Maramures, Romania 4.6 x 7.5 cm. Steel-gray, striated, bournonite crystals to 0.8 cm scattered over a pyrite matrix. Mined in 2001. (Author: crosstimber)

Bournonite No. 6 Mine, Baia Sprie,

Bournonite Pachapaqui District, Bolognesi Prov., Ancash Dept. Peru 5.2 x 6.8 cm Classic cogwheel-shaped crystals of metallic black bournonite partially overgrown with colorless quartz crystals. (Author: crosstimber)

Bournonite Pachapaqui District, Bo

Bournonite Viboras Mine, Machacamarca (Colavi District), Cornelio Saavedra, Potosí, Bolivia 68 mm x 47 mm x 30 mm (Author: Carles Millan)

Bournonite Viboras Mine, Machacama

Bournonite Viboras Mine, Machacamarca (Colavi District), Cornelio Saavedra, Potosí, Bolivia 68 mm x 47 mm x 30 mm (Author: Carles Millan)

Bournonite Viboras Mine, Machacama

Bournonite Wheal Boys, Port Isaac, St. Endellion, Cornwall, England, UK Intergrown bournonite crystals to 4mm, with small crystals of sphalerite. Sphalerite and jamesonite crystals on rear (Author: ian jones)

Bournonite Wheal Boys, Port Isaac,

Bournonite Wittmannsgereuth, Saalfeld, Thuringia, Germany. 1,1 x 1 cm (Author: Andreas Gerstenberg)

Bournonite Wittmannsgereuth, Saalf

Bournonite Yaogangxian Mine, Yizhang, Chenzhou, Hunan, China 38 mm x 34 mm x 15 mm (Author: Carles Millan)

Bournonite Yaogangxian Mine, Yizha

Bournonite Yaogangxian Mine, Yizhang, Chenzhou, Hunan, China 38 mm x 34 mm x 15 mm (Author: Carles Millan)

Bournonite Yaogangxian Mine, Yizha

Bournonite Yaogangxian Mine, Yizhang, Chenzhou, Hunan, China 38 mm x 34 mm x 15 mm (Author: Carles Millan)

Bournonite Yaogangxian Mine, Yizha

Bournonite Yaogangxian Mine, Yizhang Co., Chenzhou Pref., Hunan Prov., China 4.0 x 5.2 cm Same specimen as above. Difficult to photograph with so many reflective faces. (Author: crosstimber)

Bournonite Yaogangxian Mine, Yizha

Bournonite Yaogangxian Mine, Yizhang Co., Chenzhou Pref., Hunan Prov., China 4.0 x 5.2 cm A single floater of bright metallic bournonite with minor quartz. (Author: crosstimber)

Bournonite Yaogangxian Mine, Yizha