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Crookesite Eucairite Image

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 Crookesite, Eucairite

Large Crookesite Image

Mineral: Crookesite: Cu7(Tl,Ag)Se4  
Eucairite: CuAgSe
Comments: Polished section (PPL) showing zoned crystal of cream-colored eucairite and pale lavender crookesite along with steel blue umangite and white clausthalite in dark gray gangue..
Location: Mine dump (tailings) of Shaft 371 near Hartenstein/Saxony, Germany.
Scale: Picture size 5 mm.
Copyright: © Thomas Schlothauer
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