Copper included Calcite with Copper, Pewabic Lode. Quincy Mine, Houghton County, Michigan 2 x 3.5 x 4 cm $1200. Online 9/06. SOLD.
Semi-transparent, lustrous calcite scalenohedrons richly infused with bright native copper. Portions of copper protrude from calcite and show a fine, deep brown patina. Note typical Pewabic Lode matrix. In excellent condition. Mined ca. late 1800s-early 1900s.