John Betts - Fine Minerals's Image Gallery

John Betts - Fine Minerals's Image Gallery
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John Betts - Fine Minerals's Image Gallery With 178 Images

Coeruleolactite Image

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Coeruleolactite: (Ca,Cu)Al6(PO4)4(OH)8·4-5(H2O)

Comments: Hexagonal green crystal of coeruleolactite with brownish surface coating.
Location: Turquoise Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA. Scale: 12x5x4 mm.
© John Betts - Fine Minerals

Coeruleolactite Image

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Coeruleolactite: (Ca,Cu)Al6(PO4)4(OH)8·4-5(H2O)

Comments: Hexagonal green crystal of coeruleolactite with brownish surface coating.
Location: Turquoise Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA. Scale: 12x5x4 mm.
© John Betts - Fine Minerals

Coloradoite Image

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Coloradoite: HgTe

Comments: Massive, metallic coloradoite.
Location: Kalgoorlie, Western Australia, Australia. Scale: 5x2.5x1.5 cm.
© John Betts - Fine Minerals

Coloradoite Image

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Coloradoite: HgTe

Comments: Massive, metallic coloradoite.
Location: Kalgoorlie, Western Australia, Australia. Scale: 5x2.5x1.5 cm.
© John Betts - Fine Minerals

Cookeite Image

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Cookeite: LiAl4(Si3Al)O10(OH)8

Comments: Large tan-colored cookeite epimorph after a large 12 cm quartz crystal. The outer faces of the epimorph are overgrown with milky quartz crystals up to 15 mm long.
Location: Bennett & Orchard Pit mines, Buckfield, Oxford Co., Maine, USA. Scale: 17x17x11 cm.
© John Betts - Fine Minerals

Cookeite Image

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Cookeite: LiAl4(Si3Al)O10(OH)8

Comments: Large tan-colored cookeite epimorph after a large 12 cm quartz crystal. The outer faces of the epimorph are overgrown with milky quartz crystals up to 15 mm long.
Location: Bennett & Orchard Pit mines, Buckfield, Oxford Co., Maine, USA. Scale: 17x17x11 cm.
© John Betts - Fine Minerals

Cordierite Image

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Cordierite: Mg2Al4Si5O18

Comments: Brown rectangular cordierite crystals in matrix. These crystals are not gemmy enough to be called iolite.
Location: Richmond Soapstone Quarry, Richmond, Cheshire Co., New Hampshire, USA. Scale: 24x20x15 mm.
© John Betts - Fine Minerals

Cordierite Image

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Cordierite: Mg2Al4Si5O18

Comments: Brown rectangular cordierite crystals in matrix. These crystals are not gemmy enough to be called iolite.
Location: Richmond Soapstone Quarry, Richmond, Cheshire Co., New Hampshire, USA. Scale: 24x20x15 mm.
© John Betts - Fine Minerals

Corundum Image

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Corundum: Al2O3

Comments: Bright red ruby corundum crystals in white marble matrix.
Location: Jagdalak (Jagdalek; Jagdalik) Ruby Mine, Sorobi District, Konar (Kunar; Konarh; Konarha; Nuristan) Province, Afghanistan. Scale: 4x3.5x3 cm.
© John Betts - Fine Minerals

Corundum Image

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Corundum: Al2O3

Comments: Bright red ruby corundum crystals in white marble matrix.
Location: Jagdalak (Jagdalek; Jagdalik) Ruby Mine, Sorobi District, Konar (Kunar; Konarh; Konarha; Nuristan) Province, Afghanistan. Scale: 4x3.5x3 cm.
© John Betts - Fine Minerals

Crandallite Image

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Crandallite: CaAl3(PO4)2(OH)5·(H2O)  
Wardite: NaAl3(PO4)2(OH)4·2(H2O)

Comments: Sliced and polished slab of yellow to white mixture of wardite and crandallite.
Location: Clay Canyon, Fairfield, Utah Co., Utah, USA. Scale: 11x6x.6 cm.
© John Betts - Fine Minerals

Crandallite Image

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Crandallite: CaAl3(PO4)2(OH)5·(H2O)  
Wardite: NaAl3(PO4)2(OH)4·2(H2O)

Comments: Sliced and polished slab of yellow to white mixture of wardite and crandallite.
Location: Clay Canyon, Fairfield, Utah Co., Utah, USA. Scale: 11x6x.6 cm.
© John Betts - Fine Minerals

Diamond Image

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Diamond: C

Comments: Translucent diamond penetration twin crystals.
Location: Mbuji-Mayi (Miba), Democratic Republic of the Congo (Zaire). Scale: 3.70 carats, 7x7x7 mm.
© John Betts - Fine Minerals

Diamond Image

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Diamond: C

Comments: Translucent diamond penetration twin crystals.
Location: Mbuji-Mayi (Miba), Democratic Republic of the Congo (Zaire). Scale: 3.70 carats, 7x7x7 mm.
© John Betts - Fine Minerals

Dravite Image

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Dravite: NaMg3Al6(BO3)3Si6O18(OH)4

Comments: Greenish-brown chrome-rich dravite tourmaline crystals up to 13 mm long with complex terminations. Fluoresces mildly under UV illumination.
Location: Shako Ranch, Mwatate Kabanga, Voi, Taita-Taveta district, Coast Province, Kenya. Scale: 14x13x10 mm.
© John Betts - Fine Minerals

Dravite Image

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Dravite: NaMg3Al6(BO3)3Si6O18(OH)4

Comments: Greenish-brown chrome-rich dravite tourmaline crystals up to 13 mm long with complex terminations. Fluoresces mildly under UV illumination.
Location: Shako Ranch, Mwatate Kabanga, Voi, Taita-Taveta district, Coast Province, Kenya. Scale: 14x13x10 mm.
© John Betts - Fine Minerals

Ekanite Image

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Ekanite: ThCa2Si8O20

Comments: Complex specimen of many minerals, most notable are four red ekanite crystals (rare!) scattered around the specimen.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 6x4x4 cm.
© John Betts - Fine Minerals

Ekanite Image

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Ekanite: ThCa2Si8O20

Comments: Complex specimen of many minerals, most notable are four red ekanite crystals (rare!) scattered around the specimen.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 6x4x4 cm.
© John Betts - Fine Minerals

Epistilbite Image

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Epistilbite: CaAl2Si6O16·5(H2O)  
Quartz: SiO2

Comments: White epistilbite cluster 25 mm across on amethyst quartz crystal matrix.
Location: Sawda, Jalgaon, Maharashtra, India. Scale: 10x8x5 cm.
© John Betts - Fine Minerals

Epistilbite Image

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Epistilbite: CaAl2Si6O16·5(H2O)  
Quartz: SiO2

Comments: White epistilbite cluster 25 mm across on amethyst quartz crystal matrix.
Location: Sawda, Jalgaon, Maharashtra, India. Scale: 10x8x5 cm.
© John Betts - Fine Minerals
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