Description

Obsidian – Mahogany Tumbled Stone

Mahogany Obsidian has an Amorphous crystal system and is in the mineral class of Oxides. It is formed volcanically when lava that is rich in silicic acid cools very rapidly. It hardens so quick that no crystalline structures are able to form. The result is a solid, molten mass that contains large amounts of minerals, water and gas inclusions. It is sometimes also called volcanic glass.

Mahogany Obsidian a very opaque, black color with iron inclusions that create the reddish brown mahogany colored stripes and swirls that are in it. It is found in South America, Japan, Mexico, Afghanistan, and parts of the United States.