Calaverite
2.22 ct
Trillion Cut
9.00 x 9.00 x 5.00 mm
Colorado,
USA
max9459

Calaverite

Calaverite a Rare Gold Telluride  mixed into chalcedony/granite matrix.

The formula is (AuTe2). Small quantity of silver may also be found.

It comes from Cripple Creek Mining District, Teller County, Colorado, USA