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1.7" COG WHEEL BOURNONITE ShinySilverGray Crystals on ACANTHITE Bolivia for sale

1.7" COG WHEEL BOURNONITE ShinySilverGray Crystals on ACANTHITE Bolivia for sale

$225.00$450.00
Product Code: EB0815BOURN4
Availability: In Stock
 
Qty: + -
Location Machacamarca Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province,
Size 1.7" x 1.4" x 0.8"
Suggested Stand A display square comes free with this specimen.

Here is a superb cogs-wheel bournonite from the new 2015 find at the Machacamarca Mine, which turned up at the St-Marie Show in June.  The bournonite is a grayish silver color, and is quite lustrous.  The large crystal is over 1.5" wide, and a solid .5" thick.  There are two smaller twinned crystals that grow out of the big crystal.  The bournonite crystals sit on an acanthite matrix.  The back side of the large crystal is contacted, but otherwise there is no damage.