Obsidian Bracelet The largest two fragments

The largest two fragments

This is similar to smoky quartz

15 ozSpecies: Mammuthus sp

It measured over 23 feet long and weighed 88

Obsidian Bracelet The largest two fragmentsStone: Obsidian Bead: Round 6mm Average Length: 7 in. 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 spelling of the word was obsian. Obsidian has been used to make surgical blades and arrowheads throughout history because