Saturday, April 20, 2013

Saturday Pictures

Saturday Pictures, April 20, 1913
The Mineral Museum, Montana Tech Campus, Butte Montana
(click for full size)

Gold Nugget, 27.495 Ounces -- Au ($38,611.23 bullion value at Friday's close)

Covelite -- Copper Sulfide

Annabergite and Gersdorffite -- Hydrous Nickel Arsenate and Nickel Arsenic Sulfide

Enargite -- Copper Arsenic Sulfide

Pyrite (Fools Gold) -- Iron Sulfide

Bornite (Peacock Cooper) -- Copper Iron Sulfide

Bellamy -- Our precious gem!

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