Obsidian Square It helps in overcoming depression

It helps in overcoming depression

Here are rutile crystals

The clarity and striation of this specimen are out of this world

this mineral is a calcium carbonate mineral with inclusions of manganese and arsenic

trace amounts of Gallium

Obsidian Square It helps in overcoming depressionSize: 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