M & W Minerals
Walter R. Kellogg
517 294 6709
mwminerals@comcast.net
Lake Superior Copper District, Michigan, USA
Copper Skulls are from the native copper mines of the Keweenaw Peninsula of Michigan. Skulls occur when copper is deposited around a cobble in a conglomerate lode.
10.2 x 6.3 x 4.6 cm
$200 Click here to order this mineral.