M & W Minerals
Walter R. Kellogg
517 294 6709
Knowlton Mine, Ontonagon County, Michigan, USA
This Copper specimen has some well formed crystals. The specimen is from a mine from which good Copper crystals are seldom seen. The specimen has a rich patina which exhibits a reddish color in places.
From the George Katzmarek collection
12.2 x 6.4 x 3.6 cm
$100 Click here to order this mineral.