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
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.