Rainforest Jasper (Rhyolite) Rough from Australia - $7.50/lb

Rainforest Jasper (rhyolite) is of volcanic origin. It cuts and polishes similar to agate or jasper. Rhyolite polishes well with tin or cerium oxide and diamond. NOTE: Many of these slabs have pits or vugs.

Ruler is in INCHES.

Example of Rainforest Jasper Cabochon