Black Obsidian Round Coasters (2 Pieces) (3-5 inches) Menu Obelisks Avg Size Range: (7 inches

Avg Size Range: (7 inches in diameter)

Pieces measure approximately 60 to 80 millimeters (AVERAGE SIZE)

Garden Quartz is a special variety of rock crystal quartz with multiple overlapping layers of included minerals

6-Sided Spinel in Matrix Point

Avg Size Range: (15 to 16 inches)

Black Obsidian Round Coasters (2 Pieces) (3-5 inches) Menu Obelisks Avg Size Range: (7 inchesBlack Obsidian Round 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.