Calaverite
2.10 ct
Octagon Cut
8.10 x 8.10 x 4.90 mm
Colorado,
USA
max9457

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