Cuprite-coated
copper
Origin: Central Mine, Keweenaw Co., Michigan, U.S.A.
Sample size: 4.7 x 4.3 x 3.6 cm
Origin: Saint Louis Co., Minnesota, U.S.A.
Sample size: 4.3 x 3.8 x 3.5 cm
Origin: Indiana Mine, Ontonagon Co., Michigan, U.S.A.
Sample size: 3.5 x 1.6 x 1.5 cm
Origin: White Pine Mine, Otonagon Co., Michigan, U.S.A.
Sample size: 4.2 x 2.3 x 2.0 cm
Two elongate copper crystals of an odd habit, with minor sheet of
silver on
the bottom of the matrix of chlorite and
analcime
Origin: National Mine, Shaft #5, Ontonagon Co., Michigan, U.S.A.
Sample size: 3.2 x 3.1 x 2.4 cm
Copper pseudomorph after
aragonite
Origin: Corocoro, La Paz Department, Bolivia
Ex. M. Dodge collection
Sample size: 1.7 x 1.6 x 1.6 cm
Copper pseudomorph after
azurite
Origin: near Georgetown, Grant County, New Mexico, U.S.A.
Ex. Marilyn Dodge collection
Sample size: 3.2 x 2.4 x 2.2 cm
Copper pseudomorph after
azurite
Origin: Rose Mine, Georgetown District, Grant County, New Mexico, U.S.A.
Ex. Marilyn Dodge collection
Sample size: 3.4 x 2.7 x 2.3 cm
Copper pseudomorph after
azurite
Origin: Hanover-Fierro District, Grant County, New Mexico, U.S.A.
Sample size: 4.5 x 3.8 x 3 cm
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