Silver with
copper tarnished blackish
Origin: Bisbee, Arizona, USA
Sample size: 3.5 x 2 x 1 cm
Silver with
calcite
Origin: Keweenaw, Michigan, USA
Sample size: 5 x 3 x 2 cm
Silver on a sericite and
kaolinite
matrix
Origin: Coeur Rochester mine, Pershing Co., Nevada, USA
Sample size: 5 x 4 x 4 cm
Silver in
calcite
Origin: Sarbai, Kazakhstan
Sample size: 11 x 8 x 3 cm, wires to 1.5 cm
Thick wire silver to 3 mm throughout black
acanthite matrix.
Origin: Tegucigalpa, Honduras
Sample size: 3 x 3 x 2.5 cm
Origin: Dscheskazgan, Kazakhstan
Sample size: 2.5 x 3 x 2 cm
Origin: Cobalt, Ontario, Canada
Ex. Erling collection
Sample size: 3.5 x 3 x 0.2 cm
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