Gold Sheen Obsidian Hexagon Necklace The pink in this mineral

The pink in this mineral is caused by microscopic inclusions of dumortierite

The majority of the teeth that come from this region are less than 3 inches long as Spinosaurus lost their teeth very frequently

You will receive the freeform pictured

During the beginnings of the Cambrian Period (~550 million years ago)

We have only had a handful of specimens as interesting as this one

Gold Sheen Obsidian Hexagon Necklace The pink in this mineralSize: ~ 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