Black Obsidian Freeform Standing Boulder #8 75 Inch) Sizes Vary Slightly

75 Inch) Sizes Vary Slightly

The Only true way to test is through a lab

Length (mm): 14

Pieces weigh approximately 300-600 grams

Black Obsidian Freeform Standing Boulder #8 75 Inch) Sizes Vary SlightlyBlack Obsidian Freeform Standing Boulder 1 Piece Uniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Avg Size Range: (3 to 5 Inches Long) Sizes Vary Obsidian is a kind of glass that forms when volcanic lava rapidly cools in the open air without forming any specific crystalline structures. When polished, obsidian can occasionally exhibit a gold, silver, or rainbow sheen depending on any included minerals.