15dm163 ((COPPER)), $40 MINIMUM BID, Lake Superior, Keweenaw Peninsula, Michigan, 22 x 13 x 3 cm, Cabinet, | |
Here is a very large specimen of Copper from Michigan. It has some white opaque Calcite and some gray matrix rock but most is native Copper. The label shows it is actual part of Otto Reiter's collection and purchased by Dennis from Otto's estate at the estate mineral auction of 600 lots of individual specimens and flats of minerals. Dennis McMurdie collection. ex Otto Reiter's collection. |