This is a piece of pure obsidian, no inclusions or contamination that I'm aware of. This is the last of 5 similar pieces, all of which were broken into smaller pieces for use in crafts and blade making. None of the pieces had any impurities or inclusions that we could find.
Weighed at 66.1 pounds. Feel free to ask any additional questions via message. The item "HUGE Raw Pure Obsidian Piece 66lb Black Large Natural Boulder" is in sale since Saturday, February 15, 2020.This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Crystals". The seller is "ubahko" and is located in Sacramento, California.
This item can be shipped to United States.