Origin: Durango, Mexico

Description: This is the old stock, good quality. Also known as banded rhyolite and similar to candy rhyolite and wonderstone. This is about the top quality version because of how hard and silicated the material is. It takes a great, high gloss polish.

Chemical Composition: SiO2

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: No inclusions, rind doesn't penetrate in. There are almost no cracks. This material is highly workable.

Cost per Gram: $0.25
Size approximately 1 pc: 6.5cm x 7cm x 4.5cm
Weight approximately 1 pc: 140g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.