M & W Minerals
Walter R. Kellogg
517 294 6709
Clark Mine, Copper Harbor, Keweenaw County, Michigan, USA
A rather large nodule of Datolite for this mine. The color is a mix of gray and white with a hint of pink. The gray sections are semi transparent. The nodule has a very good polish.
From the George Katzmarek collection
6.5 x 5.2 x 3 cm
$50 Click here to order this mineral.