Gold Sheen Obsidian Hexagon Necklace It has a very unique

It has a very unique shape as well as beautiful banding

Switzerland

This is a combination of minerals that can not be passed up

opal contains spheres of silica

Stone: Amethyst on Green Aventurine

Gold Sheen Obsidian Hexagon Necklace It has a very uniqueSize: ~ 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