Calaverite
2.11 ct
Fancy Cut
11.10 x 8.90 x 5.50 mm
Colorado,
USA
max9458

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