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Copper
Sharp, spinel-twinned copper crystals to 2.1 cm with a nice patina form an aesthetic, arborescent crystal cluster on this showy piece from the Grand Marais fissure in Lake Superior. Ex Seaman Museum Collection. This form of copper is not so common in Michigan, and its a pretty, intricate piece!
Unknown Owner
Product details
Species
SizeSmall Cabinet
Dimensions6.0 x 3.3 x 1.4 cm
Locality
Gull Rock (Grand Marais), Eagle Harbor, Keweenaw Co., Michigan, USA
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Copper
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