SKU: 55512917422
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Tanzania
Size: 3
Here are rutile crystals
The clarity and striation of this specimen are out of this world
Obsidian Square TanzaniaSize: 2. 0 in. Weight: 1. 2 oz Chemical Formula: SiO (Amorphous Volcanic Glass) Commonly found in Italy, Scotland, Mexico, Argentina, Greece, Iceland, Russia, New Zealand, Japan, 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
