Black Obsidian Octagon Coasters (2 Pieces) (3-5 inches) Menu Obelisks Garnet is 1 To 2

Garnet is 1 To 2 Inches)

or rainbow sheen when polished

and instead features large inclusions of antigorite

where trace amounts of chromium replace aluminum ions in kyanite crystals

Not Native American Made

Black Obsidian Octagon Coasters (2 Pieces) (3-5 inches) Menu Obelisks Garnet is 1 To 2Black Obsidian Octagon Coasters Uniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Origin: India Quantity: set of 2 Size: 3" 5" Obsidian is not a gemstone but a kind of glass that forms when volcanic lava rapidly cools in the open air without forming any specific crystalline structures. Depending on the included minerals, obsidian can occasionally exhibit a gold, silver, or rainbow sheen when polished.