Description: I'll be entirely honest with you, there is like... no colour in these. However, some of the opals in here will react under UV Light.
Chemical Composition: SiO₂·nH₂O
Grade: Lapidary Grade
Inclusions: Lots of Matrix
Cost per Gram: $0.08
Approximate Size of 1 pc: 73mm x 52mm x 29mm
Approximate Weight of 1 pc: 50-350g
Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.