Origin: Fraser River, Chilliwack, BC, Canada

Description: A unique variety of rhyolite with black dots that almost look like algae. The stone is very similar to spider jasper.

Chemical Composition: SiO2

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: Some porosity, little to no cracks. no matrix or rind

Cost per Gram: $0.05
Size approximately 1 pc: 11.5cm x 9.5cm x 0.8cm 
Weight approximately 1 pc: 184g

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