Gold Sheen Obsidian Hexagon Necklace Commonly found in areas with

Commonly found in areas with high volcanic activity such as Canada

These are small emerald crystals that have been left in the matrix for size and stability

opal contains spheres of silica

Some of the largest specimens discovered have measured up to 10-inches long

Gold Sheen Obsidian Hexagon Necklace Commonly found in areas withSize: ~ 2. 0 in. (18 20 in.) Weight: ~ 0. 60 oz Chemical Formula: SiO (Amorphous Volcanic Glass) Commonly found in Brazil, Mexico, Japan, Afghanistan, and the United States. Obsidian is a naturally occurring form of volcanic glass. Obsidian forms as lava cools very rapidly and is not considered a mineral as its lacks any form of crystal structure. It is said that obsidian is actually a mistranslation from Pliny the Elder's Natural History. The first