Calaverite カラベライト 1.78 ct Fancy Cut 9.70 x 9.10 x 5.10 mm Colorado, USA max9455

Description

Calaverite カラベライト 1.78 ct Fancy Cut 9.70 x 9.10 x 5.10 mm Colorado, USA max9455

Calaverite カラベライト

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