Origin: Arizona, U.S.A.

Description: I dig this material in Arizona, It is incredibly hard and takes a very bright polish. Some material is very purple, other is more white. It is opaque, and often has red dots in throughout it.

Chemical Composition: SiO2

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: Some pitting on outside of rock, but otherwise good. Some pitting inside, but minimal, also very few cracks

Cost per Gram: $0.10
Size approximately 1 pc: 12cm x 10cm x 7cm
Weight approximately 1 pc: 800g

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