Copper, Quartz, Silver
Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
Copper with several micro silver blebs personally collected August 6, 2007, from the Seneca #1 Mine Dump - Mohawk, Keweenaw County, Michigan. Blue stains appear as unknown copper mineralization along with micro quartz crystals. Size: 5.2 x 3.8 x 2.5 cm. Photo and collection, Bill Morgenstern.
© Bill Morgenstern - Earth Moods