Delaware Mine, Keweenaw County, Michigan, USA

This specimen consists of both halves of a Datolite nodule. It is uncommon to get two halves because most Datolite nodules are not round enough and thick enough. The reddish color is caused by micro inclusions of Copper.

From the Vivian Randall collection

2.5 x 2.4 x 0.9 cm

$50      Click here to order this mineral.