Gold on
quartz
Origin: Oriental Mine, Sierra County, California, U.S.A.
Sample size: 5 x 2.6 x 1.5 cm (top), 3.6 x 3.3 x 2.4 cm (bottom)
Gold on
quartz
Origin: Kenton Mine, Sierra County, California, U.S.A.
Sample size: 5.5 x 3.6 x 2.6 cm (top/2nd/3rd row), 2.5 x 1.3 x 1.2 cm (4th
row), 2.5 x 1.8 x 0.3 cm (5th/6th row), 3 x 2.5 x 0.8 cm (7th/bottom row)
Gold with
atacamite
Origin: Copiapo, Atacama Desert, Chile
Ex. Keith Hayes collection
Sample size: 4.3 x 2.8 x 2.1 cm
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