Copper, 'Laker Pocket', Lake Superior Copper District, near Eagle Harbor, Keweenaw County, Michigan Miniature 2.5 x 3 x 4.5 cm $250. Online 7/21
Branching arborescent copper crystals with no point of attachment. Collected from an exposed fissure vein in about 10 feet of water in June 2010. Original patina preserved. No faults. Provenance: Bob Barron; to Bob Nowakowski; to William Severance (2013): William A.N. Severance Collection #2013.06.