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Paul Silverman Collection (19/40)
NATIVE COPPER & SHEETS
Copper melts at about 1083° C (about 1981° F), boils at about 2567° C (about 4753° F), and has a specific gravity of 8.9. The atomic weight of copper is 63.546. Native copper occurs in the vicinity of Lake Superior in northern Michigan.
Copyright:© 1993 Paul Silverman - Fundamental Photographs
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