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Copper in Calcite with Copper and Analcite, Phoenix Mine attr., Lake Superior Copper District, Keweenaw County, MI, ex. Louis Lafayette Collection #774, Small Cabinet, 6.0 x 7.0 x 11.5 cm, $650. Online 9/3


  • $ 65000

Classic combination from one of the most sought after fissure mines in Keweenaw County.  Fantastic coverage of gemmy calcites, analcimes and copper on brecciated basalt.  Several calcites are included with bright native copper.  Superlative condition.  Rare. Mined c. late 19th century.