"Apache Tear" Obsidian
Black Obsidian is the result of molten lava rock cooling rapidly, becoming volcanic glass. Obsidian has a composition similar to rhyolite and granite.
Chemical Formula: SiO2
***NOTE TO BUYER***
This is a "random selection" listing. You will NOT receive the exact item photographed in the listing, but one that is very similar. However, due to unique nature of each mineral the size, shape and color may vary slightly
The size of this product is categorized by weight. Because of this, the dimensions and style of the mineral may vary. If you have certain requirements regarding specifications, please note them within the order or contact us.