Calcite with Copper inclusions on Copper, Pewabic Lode, Quincy Mine, Lake Superior Copper District, Michigan Miniature 2.2 x 3.5 x 4.4 cm $250. online 11/30
Calcite crystal, 2.5 cm, richly infused with bright native copper. Matrix is spongey copper and typical Pewabic amygdaloid. Calcite appears to have been lightly 'dipped' in acid at some point in the past. Betty Kalaskie Collection #1165: acquired 2004.