Calaverite カラベライト 2.04 ct Octagon Cut 8.40 x 8.30 x 3.90 mm Colorado, USA max9456

Description

Calaverite カラベライト 2.04 ct Octagon Cut 8.40 x 8.30 x 3.90 mm Colorado, USA max9456

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