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Chalcanthite, Dolerophanite, Fedotovite
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| Mineral: | Chalcanthite: CuSO4·5(H2O) Dolerophanite: Cu2(SO4)O Fedotovite: K2Cu++3(SO4)3O | ||||
| Comments: | Brown crystals of dolerophanite with blue chalcanthite and green fedotovite. | ||||
| Location: | Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. | ||||
| Scale: | Picture size 3 mm. | ||||
| Copyright: | © Thomas Witzke / Abraxas-Verlag | ||||
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