Copper
specimen number:
4711066
location:
Keweenaw Co., Michigan, USA
description:
Very choice grouping of sharp large native copper crystals. This exhibits a great patina and is crystallized completely all around. A superb thumbnail specimen. This would have been mined in the late 1800s.
Size: 3.0 x 2.4 x 1.0 cm (thumbnail)
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