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Copper, silver

North America

Silver mixed with Copper.

Code:USA027

Color:

Size:

Availability: till 15 working days

SOLD

Silver mixed with Copper. Large mass of native silver on one edge of a native copper nugget. Local minerals refer to these as halfbreeds because both metals are present.


United States of America
Calumet Iron Mine, Keweenaw Peninsula Copper District, Michigan
13,4x9,0x7,5 cm
1985.0g

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