M & W Minerals
Walter R. Kellogg
517 294 6709
mwminerals@comcast.net
Central Mine, Keweenaw County, Michigan, USA
This specimen has some very elongated crystals. From the contact zones, it is apparent the specimen formed in a vacant seam in the host rock. The specimen exhibits a natural patina.
13.5 x 8 x 1 cm
$175 Click here to order this mineral.