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Baryte : BaSO4 | |
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Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA Tabular crystals of transparent barite without matrix. The edges where it was not attached to matrix are clean and terminated. Rare barite specimen from this mine known for orpiment and gold. Fluoresces brightly under UV illumination. Overall size of mineral specimen: 4x3x1.5 cm. Size of individual crystals: 1-3 cm. |
| © 2002 John H. Betts | Photo ID: 4131 View Count: 430 |
Chaidamuite : ZnFe(SO4)2(OH)·4H2O | |
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Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA Pale yellow masses on friable limonitic matrix. 1 cm field of view. S284-33 Excalibur Mineral specimen. |
| © 2007, JGW | Photo ID: 140062 View Count: 200 |
Curetonite : Ba4Al3Ti(PO4)4(O,OH)6, Quartz : SiO2 | |
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Redhouse Barite Mine, Potosi District, Humboldt Co., Nevada, USA A 3 mm crystal of Curetonite in quarz. Specimen and photo: Knut Eldjarn |
| © c Knut Eldjarn | Photo ID: 52155 View Count: 413 |
Curetonite : Ba4Al3Ti(PO4)4(O,OH)6 | |
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Redhouse Barite Mine, Potosi District, Humboldt Co., Nevada, USA Curetonite from co-type material. Field 0.9 mm. Photo and Collection Christophe Boutry |
| © C.Boutry | Photo ID: 196335 View Count: 53 |
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Redhouse Barite Mine, Potosi District, Humboldt Co., Nevada, USA 5.6 x 3.7 x 2.9 cm. This specimen, sold by rarities dealer John Metteer to John White, hosts two very minute but eye-visible smears of green on one face…and that is actually a pretty good representative example of this very rare species named after dealer and collector Forrest Cureton. This is the TYPE and ONLY locale for the species, which is a ... |
| © Rob Lavinsky | Photo ID: 249797 View Count: 18 |
Gaitite : Ca2Zn[AsO4]2 · 2H2O, Calcite : CaCO3 | |
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Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA White spherical aggregates of gaitite, with clear calcite overlying, approximate 0.1 cm spheres. S126-09 Specimen courtesy of Excalibur Mineral Company. |
| © 2007, JGW | Photo ID: 138352 View Count: 251 |
Galkhaite : (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 | |
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Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA 2mm xl of galkhaite. JBS specimen and photo. |
| © 2004 JBS | Photo ID: 19262 View Count: 693 |
Galkhaite : (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 | |
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Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA Galkhaite crystal cluster on stilbite matrix. Cube forms modified by the dodecahedron. Photomicrograph © Saul Krotki (.0545.2). Field of view 3.0 mm. Krotki Micromount Collection. |
| © Saul Krotki 2004 | Photo ID: 15841 View Count: 476 |
Galkhaite : (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 | |
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Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA Red cubic crystals of galkhaite. Picture size 11 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8116 View Count: 573 |
Galkhaite : (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 | |
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Adam Peak, Potosi District, Humboldt Co., Nevada, USA A cluster of interpenetrating cubic galkhaite crystals. Photomicrograph © Saul Krotki 2004 (.0585.2). Field of view 1.8 mm wide. Supplied by Tim Jokela of ELEMENT 51, Strothroyal, Ontario. Krotki Micromount Collection. |
| © Saul Krotki 2004 | Photo ID: 18526 View Count: 464 |
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