Origin: Indian Pass, California, USA

Description: This stone is very dark blue, sometimes ranging through to purple. Entirely opaque. The exterior is weathered from the Arizona desert, but the inside is a nice blue colour. There are very few cracks.

Chemical Composition: SiO2

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: Cracks are minimal and nothing to be concerned with in this rock.

Cost per Gram: $0.15
Approximate size for 1pc: 10cm x 8cm x 4cm
Approximate weight of 1 pc: 100-300g

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