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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