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Adamite and Smithsonite
Serpieri Mine, Kamaritza Mines, Attiki, Greece
5.5 cm x 3 cm x 2.5 cm (Author: Mark Ost)
Adamite and Smithsonite
Serpieri M
-
Adamite and Smithsonite
Serpieri Mine, Kamaritza Mines, Attiki, Greece
5.5 cm x 3 cm x 2.5 cm (Author: Mark Ost)
Adamite and Smithsonite
Serpieri M
-
Anglesite
Monteponi Mine, Cagliari, Sardegna, Italy
25 x 4 mm (Author: Mark Ost)
Anglesite
Monteponi Mine, Cagliari
-
Anglesite
Monteponi Mine, Cagliari, Sardegna, Italy
25 x 4 mm (Author: Mark Ost)
Anglesite
Monteponi Mine, Cagliari
-
Azurite
Touissit, Oujda, Morocco
2.5 cm x 1.5 cm x 2 cm (Author: Mark Ost)
Azurite
Touissit, Oujda, Morocco
2
-
Azurite and Malachite on Limonite covered Quartz.
M’Cissi, Er Rachidia, Morocco
5mm x 5mm (Author: Mark Ost)
Azurite and Malachite on Limonite
-
Azurite and Malachite on Limonite covered Quartz.
M’Cissi, Er Rachidia, Morocco
2mm x 2mm (Author: Mark Ost)
Azurite and Malachite on Limonite
-
Azurite and Malachite on Limonite covered Quartz.
M’Cissi, Er Rachidia, Morocco
6.7cm x 5.4cm x 3.1cm (Author: Mark Ost)
Azurite and Malachite on Limonite
-
Barite and Marcasite
Lubin, Poland
8 inches x 2.5 inches x 5 inches
Barite and Marcasite Long Wave UV Light Buninga Wood Base (Author: Mark Ost)
Barite and Marcasite
Lubin, Poland
-
Barite, Cerussite
Mibladen, Midelt, Morocco
18 cm x 4 cm sample. (Author: Mark Ost)
Barite, Cerussite
Mibladen, Midelt
-
Calcite
Gopher Valley Quarry, Yamhill County, Oregon, USA
18cm x 10cm x 15cm (Author: Mark Ost)
Calcite
Gopher Valley Quarry, Yamh
-
Calcite
Gopher Valley Quarry, Yamhill County, Oregon, USA
18cm x 10cm x 15cm (Author: Mark Ost)
Calcite
Gopher Valley Quarry, Yamh
-
Calcite
Gopher Valley Quarry, Yamhill County, Oregon, USA
18cm x 10cm x 15cm (Author: Mark Ost)
Calcite
Gopher Valley Quarry, Yamh
-
Celestine
Agrigento, Sicily. Italia
.4cm x .2cm x .1cm (Author: Mark Ost)
Celestine
Agrigento, Sicily. Itali
-
Celestine
Agrigento, Sicily. Italia
.4cm x .2cm x .1cm (Author: Mark Ost)
Celestine
Agrigento, Sicily. Itali
-
celestine and sulfur.jpg (Author: Mark Ost)
celestine and sulfur.jpg
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Chlorastrolite
Isle Royale, Upper Peninsula Michigan, USA
.5cm x .75cm (Author: Mark Ost)
Chlorastrolite
Isle Royale, Upper
-
Chlorastrolite
Isle Royale, Upper Peninsula Michigan, USA
.5cm x.5cm (Author: Mark Ost)
Chlorastrolite
Isle Royale, Upper
-
Chlorastrolite
Isle Royale, Upper Peninsula Michigan, USA
.5cm x.5cm (Author: Mark Ost)
Chlorastrolite
Isle Royale, Upper
-
Chlorastrolite Cross section
Isle Royale, Upper Peninsula Michigan, USA
.5cm x .75cm (Author: Mark Ost)
Chlorastrolite Cross section
Isle
-
Duftite and Calcite on a Limonite Matrix
Mina Ojuela, MapimÃ, Durango, Mexico
12 cm x 9.5 cm x 2.5 cm (Author: Mark Ost)
Duftite and Calcite on a Limonite
-
Duftite and Calcite on a Limonite Matrix
Mina Ojuela, MapimÃ, Durango, Mexico
12 cm x 9.5 cm x 2.5 cm (Author: Mark Ost)
Duftite and Calcite on a Limonite
-
Duftite and Calcite on a Limonite Matrix
Mina Ojuela, MapimÃ, Durango, Mexico
12 cm x 9.5 cm x 2.5 cm (Author: Mark Ost)
Duftite and Calcite on a Limonite
-
Elbaite
Minas Gerais, Brazil
5.4cm x1.8cm x1.8cm (Author: Mark Ost)
Elbaite
Minas Gerais, Brazil
5.4cm
-
Elbaite (variety Rubellite)
Malkhan, Krasnyi Chikoy, Chitinskaya Oblast, Russia
7.6cm x 4 cm x 3.9 cm (Author: Mark Ost)
Elbaite (variety Rubellite)
Malkha
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Elbaite (variety Rubellite)
Malkhan, Krasnyi Chikoy, Chitinskaya Oblast, Russia
7.6cm x 4 cm x 3.9 cm (Author: Mark Ost)
Elbaite (variety Rubellite)
Malkha
-
Fluorapatite
Cerro de Mercado Mine, Victoria de Durango, Durango, Mexico
1.5cm x 1cm x1cm (Author: Mark Ost)
Fluorapatite
Cerro de Mercado Mine
-
Fluorapatite
Cerro de Mercado Mine, Victoria de Durango, Durango, Mexico
1.5cm x 1cm x1cm (Author: Mark Ost)
Fluorapatite
Cerro de Mercado Mine
-
Fluorapatite, aquamarine and muscovite
Shigar Valley, Gilgit, Pakistan
1.9 cm (Author: Mark Ost)
Fluorapatite, aquamarine and musco
-
Fluorapatite/Hyalite Opal UV
Cerro de Mercado Mine, Victoria de Durango, Durango, Mexico
13cm x 9cm x 5cm (Author: Mark Ost)
Fluorapatite/Hyalite Opal UV
Cerro
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Fluorite
Elmwood Mine, Tennessee, USA
7cm x 4 cm x 5cm (Author: Mark Ost)
Fluorite
Elmwood Mine, Tennessee,
-
Fluorite
Hameda, Sidi Kacem Province, Morocco
2.5cm x 2cm x 3 cm (Author: Mark Ost)
Fluorite
Hameda, Sidi Kacem Provin
-
Fluorite
Hameda, Sidi Kacem Province, Morocco
2.5cm x 2cm x 3 cm (Author: Mark Ost)
Fluorite
Hameda, Sidi Kacem Provin
-
Fluorite
Hameda, Sidi Kacem Province, Morocco
2.5cm x 2cm x 3 cm (Author: Mark Ost)
Fluorite
Hameda, Sidi Kacem Provin
-
Fluorite
Hameda, Sidi Kacem Province, Morocco
2.5cm x 2cm x 3 cm (Author: Mark Ost)
Fluorite
Hameda, Sidi Kacem Provin
-
Fluorite and maybe garage doorite
Rogerly England
3cm x 5cm x3cm (Author: Mark Ost)
Fluorite and maybe garage doorite
-
Fluorite and maybe garage doorite
Rogerly England
3cm x 5cm x3cm (Author: Mark Ost)
Fluorite and maybe garage doorite
-
Fluorite and Pyrite
El Hammam, Meknes, Meknes-Tafiloalet Region
5cm x 5cm x 5 cm (Author: Mark Ost)
Fluorite and Pyrite
El Hammam, Mek
-
Fluorite
16cm x 4cm x 7cm
(Author: Mark Ost)
Fluorite
-
Fluorite
Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia
16cm x 4cm x 7cm (Author: Mark Ost)
Fluorite
Okorusu Mine, Otjiwar
-
Garnet Group, Andradite, Demantoid
Jeffery Quarry, BGS Asbestos, Canada
6.35mm
(Author: Mark Ost)
Garnet Group, Andradite, Demantoid
-
Garnet Group, Andradite, Demantoid
Jeffery Quarry, BGS Asbestos, Canada
12mm
(Author: Mark Ost)
Garnet Group, Andradite, Demantoid
-
Hydroxylherderite
Braldu Valley, Skardu District, Balistan, Pakistan
4cmX2cmx2cm (Author: Mark Ost)
Hydroxylherderite
Braldu Valley, S
-
Hydroxylherderite
Braldu Valley, Skardu District, Balistan, Pakistan
4cmX2cmx2cm (Author: Mark Ost)
Hydroxylherderite
Braldu Valley, S
-
IMG_0267.JPG (Author: Mark Ost)
IMG_0267.JPG
-
IMG_0268.JPG (Author: Mark Ost)
IMG_0268.JPG
-
lamp.jpg (Author: Mark Ost)
lamp.jpg
-
Malachite
Irhoud Mine, Saji, Doukala, Abda, Morocco
.5cm x .5cm x.5cm (Author: Mark Ost)
Malachite
Irhoud Mine, Saji, Douka
-
Malachite
M’Cissi, Er Rachidia, Morocco
1mm x 1mm (Author: Mark Ost)
Malachite
M’Cissi, Er Rachid
-
Okenite
Khnadivali Quarry, Mumbai, Maharashtra, India
1mm x Sub mm (Author: Mark Ost)
Okenite
Khnadivali Quarry, Mumbai,
-
Okenite
Khnadivali Quarry, Mumbai, Maharashtra, India
1mm diameter (Author: Mark Ost)
Okenite
Khnadivali Quarry, Mumbai,
-
Opal
Erongo Mountain, Namibia
2cm x 1cm x .2cm
Opal (UV light) (Author: Mark Ost)
Opal
Erongo Mountain, Namibia
2cm
-
Opal
Erongo Mountain, Namibia
2cm x 1cm x .2 cm
Opal (indirect sunlight) (Author: Mark Ost)
Opal
Erongo Mountain, Namibia
2cm
-
Opal
Erongo Mountain, Namibia
2cm x 1 cm x .2 cm
Opal (tungsten light) (Author: Mark Ost)
Opal
Erongo Mountain, Namibia
2cm
-
Opal
Unknown location in Mexico
1cm x .5cm x1cm
Opal (UV light) (Author: Mark Ost)
Opal
Unknown location in Mexico
1c
-
Opal
Unknown location in Mexico
1cm x .5 cmx 1cm
Opal (indirect sunlight) (Author: Mark Ost)
Opal
Unknown location in Mexico
1c
-
Opal
Unknown location in Mexico
1cm x .5 cm x 1cm
Opal (tungsten light) (Author: Mark Ost)
Opal
Unknown location in Mexico
1c
-
Pectolite
Jeffery Quarry, Asbestos, Quebec, Canada
5cm x 0.5cm x 3 cm (Author: Mark Ost)
Pectolite
Jeffery Quarry, Asbestos
-
Pectolite
Jeffery Quarry, Asbestos, Quebec, Canada
5.0cm x 0.5cm x 3cm (Author: Mark Ost)
Pectolite
Jeffery Quarry, Asbestos
-
Pectolite
Jeffery Quarry, Asbestos, Quebec, Canada
5mm x 1 mm x 2mm (Author: Mark Ost)
Pectolite
Jeffery Quarry, Asbestos
-
Pectolite
Jeffery Quarry, Asbestos, Quebec, Canada
5mm x 1 mm x 2mm (Author: Mark Ost)
Pectolite
Jeffery Quarry, Asbestos
-
Pectolite
Jeffery Quarry, Asbestos, Quebec, Canada
5mm x 1 mm x 2mm (Author: Mark Ost)
Pectolite
Jeffery Quarry, Asbestos
-
Quartz
Irhoud Mine, Saji, Doukala, Abda, Morocco
.5cm x .5cm x.5cm (Author: Mark Ost)
Quartz
Irhoud Mine, Saji, Doukala,
-
Quartz (smoky), Astrophyllite and Aegirine
Zhagi Mountain, Pakistan (Author: Mark Ost)
Quartz (smoky), Astrophyllite and
-
Quartz (Var: Eisenkiesel)
Chella, Valencia, Valencian Community, Spain
1 x 0.5 cm (Author: Mark Ost)
Quartz (Var: Eisenkiesel)
Chella,
-
Quartz Var. Amethyst
Cava Capurru, Osilo Sassari, Sardegna, Italia
1cm x .5cm x .5cm (Author: Mark Ost)
Quartz Var. Amethyst
Cava Capurru,
-
Quartz Var. Amethyst
Cava Capurru, Osilo Sassari, Sardegna, Italia
1cm x .5cm x .5cm (Author: Mark Ost)
Quartz Var. Amethyst
Cava Capurru,
-
Quartz Var. Amethyst
Cava Capurru, Osilo Sassari, Sardegna, Italia
1cm x .5cm x .5cm (Author: Mark Ost)
Quartz Var. Amethyst
Cava Capurru,
-
Quartz with Astrophylite and Aegirine inclusions and Bastnaesite
Zhagi Mountain, Pakistan
4 inches x 4 inches
Smoky Quartz with Astrophyllite and Aegirine inclusions and case in construction (Author: Mark Ost)
Quartz with Astrophylite and Aegir
-
Quartz with Astrophyllite and Aegirine inclusions and Bastnaesite
Zhagi Mountain, Pakistan
4x4 inches. Cabinet 4x4x14 inches (Author: Mark Ost)
Quartz with Astrophyllite and Aegi
-
Quartz with Dolomite and scheelite
Mount Xuebaoding, Mainyang, Sichuan, China
10cm x 3cm x 2cm (Author: Mark Ost)
Quartz with Dolomite and scheelite
-
Quartz, Clinozoisite, and Orthoclase
Strzegom Granite Quarry, Lower Silesia, Poland
3.7cm x 3.3cm x 2.6cm (Author: Mark Ost)
Quartz, Clinozoisite, and Orthocla
-
Quartz, Fluorapatite, Siderite
Minas da Panasqueira, Castelo Branco, Portugal
3.6 x 1.9 x 1.9 cm
Rear view (Author: Mark Ost)
Quartz, Fluorapatite, Siderite
Min
-
Quartz, Fluorapatite, Siderite
Minas da Panasqueira, Castelo Branco, Portugal
3.6 x 1.9 x 1.9 cm
Short Wave (Author: Mark Ost)
Quartz, Fluorapatite, Siderite
Min
-
Quartz, Fluorapatite, Siderite
Minas da Panasqueira, Castelo Branco, Portugal
3.6 x 1.9 x 1.9 cm
Medium Wave (Author: Mark Ost)
Quartz, Fluorapatite, Siderite
Min
-
Quartz, Fluorapatite, Siderite
Minas da Panasqueira, Castelo Branco, Portugal
3.6 x 1.9 x 1.9 cm (Author: Mark Ost)
Quartz, Fluorapatite, Siderite
Min
-
Roselite
Agoudal Mine, Bou Azer District, Souss-Massa-Draa, Morocco
.5 cm x .2cm x .7cm (Author: Mark Ost)
Roselite
Agoudal Mine, Bou Azer Di
-
Scheelite
Mount Xuebaoding, Mainyang, Sichuan, China
2mm x2mm x 2mm (Author: Mark Ost)
Scheelite
Mount Xuebaoding, Mainya
-
Scheelite
Mount Xuebaoding, Mainyang, Sichuan, China
2mm x2mm x 2mm (Author: Mark Ost)
Scheelite
Mount Xuebaoding, Mainya
-
Silver
66 line Mine, Gaoliangchun, Lingqiu, Datong Prefecture, Shanxi Province, China
2cm x 1 cm x 2cm (Author: Mark Ost)
Silver
66 line Mine, Gaoliangc
-
Sphalerite
Boldut Mine, Cavnic, Maramures, Romania
.3cm x .3cm x .3cm (Author: Mark Ost)
Sphalerite
Boldut Mine, Cavnic, Ma
-
Sphalerite
Boldut Mine, Cavnic, Maramures, Romania
.5cm x .4cm x .2cm (Author: Mark Ost)
Sphalerite
Boldut Mine, Cavnic, Ma
-
Sphalerite
Nellie James Mine, Miller Canyon, Huachuca Mountains, Arizona, USA
10cm x 8 cm x 6 cm (Author: Mark Ost)
Sphalerite
Nellie James Mine, Mill
-
Spinel
Pein Pyit, Mogok, Pyin-Oo-Lwin, Burma (Myanmar)
3.5 x 2 x 2 cm
Spinel crystal size: 0.5 x 0.4 x 0.25 (Author: Mark Ost)
Spinel
Pein Pyit, Mogok, Pyin-Oo-L
-
Stibnite and Calcite
Xikuangshan Mine, Lengshuijiang, Hunan, China
3 cm x 3 cm (Author: Mark Ost)
Stibnite and Calcite
Xikuangshan M
-
Talc and tremolite
GTC Arnold Open Pit, Balmat , New York , USA
18cm x7 cm 13cm (Author: Mark Ost)
Talc and tremolite
GTC Arnold Open
-
Topaz
Wah Wah Mountains, Beaver County, Utah,USA
1cm x.5cm (Author: Mark Ost)
Topaz
Wah Wah Mountains, Beaver Co
-
Topaz
Wah Wah Mountains, Beaver County, Utah,USA
1cm x.5cm (Author: Mark Ost)
Topaz
Wah Wah Mountains, Beaver Co
-
Willemite, Calcite, Hydrozincite and Sphalerite
Nellie James Mine, Miller Canyon, Huachuca Mountains, Arizona, USA
10cm x 8 cm x 6 cm (Author: Mark Ost)
Willemite, Calcite, Hydrozincite a
-
Willemite, Calcite, Hydrozincite and Sphalerite
Nellie James Mine, Miller Canyon, Huachuca Mountains, Arizona, USA
10cm x 8 cm x 6 cm (Author: Mark Ost)
Willemite, Calcite, Hydrozincite a
-
Willemite, Calcite, Hydrozincite and Sphalerite
Nellie James Mine, Miller Canyon, Huachuca Mountains, Arizona, USA
10cm x 8 cm x 6 cm (Author: Mark Ost)
Willemite, Calcite, Hydrozincite a
-
Zoisite (var. Tanzanite), Graphite
D Block Mine, Lelatema Mountain, Arusha, Tanzania (Author: Mark Ost)
Zoisite (var. Tanzanite), Graphite
-
Zoisite (var. Tanzanite), Graphite
D Block Mine, Lelatema Mountain, Arusha, Tanzania (Author: Mark Ost)
Zoisite (var. Tanzanite), Graphite
-
Zoisite (var. Tanzanite), Graphite
D Block Mine, Lelatema Mountain, Arusha, Tanzania
11cm x 4cm x 6 cm (Author: Mark Ost)
Zoisite (var. Tanzanite), Graphite
-
Zoisite Tanzanite and Graphite
D Block Mine, Lelatema Mountain, Arusha, Tanzania
11cm x 4cm x 6 cm (Author: Mark Ost)
Zoisite Tanzanite
D Block Mine, Lel
-
Zunyite
Purple Cow Ledge, Near Quartzite, Arizona, USA
1mm x 1mm x 1mm (Author: Mark Ost)
Zunyite
Purple Cow Ledge, Near Qua
-
Zunyite
Purple Cow Ledge, Near Quartzite, Arizona, USA
1mm x 1mm x 1mm (Author: Mark Ost)
Zunyite
Purple Cow Ledge, Near Qua
-
Zunyite
Purple Cow Ledge, Near Quartzite, Arizona, USA
1mm x 1mm x 1mm (Author: Mark Ost)
Zunyite
Purple Cow Ledge, Near Qua