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Silver, Arsenides

O'Brien Mine
Size: 14.1x7.8x0.95 cm
Largest crystal size: n/a mm
This specimen is not available for sale.

Very rich silver in clots, veinlets and dendritic areas embedded in arsenide mineralization in a particularly dark vein structure. From one of the original mines of Cobalt, this slice is from a piece mined prior to 1917 and then donated to a museum. Rich!

All prices in Canadian dollars. For payment in US$, deduct 25% or multiply by 0.75.

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