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Copper in Calcite, Lake Superior Copper District, Keweenaw, Michigan, ex. Louis Lafayette Collection, Miniature 1.8 x 2.0 x 2.9 cm, $125. Online 9/22.

NSMW13235

  • $ 12500


Glassy lustered calcite crystal with bright native copper inclusions.  Nice showy miniature from the Cranbrook Institute of Science #270-442.  In excellent condition.