Black Obsidian Octagon Coasters (2 Pieces) (3-5 inches) Menu Raw Point Size: 30-52 mm

Size: 30-52 mm

Listing is for ( 1 Kilo)

The initial layer and the surrounding minerals and conditions affect subsequent layers and give agate its wide variation in appearance

super 7 amethyst

Black Obsidian Octagon Coasters (2 Pieces) (3-5 inches) Menu Raw Point Size: 30-52 mmBlack 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.