Spider Woman Slabs
Spider Woman is a fine-grained basalt rock composing
of at least 65% feldspar and can be found in Oregon near the border
of Idaho. The Moh's hardness is 6 to 6-1/2 and it cuts easily.
Polishes with cerium, diamond or tin oxide. Spider Woman contains
fine red lines creating a web effect that can be very striking.
Example of Spider Woman Cabochon.
Note: Not cut from material below.