Black Obsidian Freeform Standing Boulder #8 Pieces weigh approximately 300-600 grams

Pieces weigh approximately 300-600 grams

often displaying its milky white color and banded patterns shaped by the geological processes of mineral precipitation and crystallization during its development

Avg Size Range: (30 To 40 Millimeters)

The Only true way to test is through a lab

Quantity: 2 kilograms

Black Obsidian Freeform Standing Boulder #8 Pieces weigh approximately 300-600 gramsBlack 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.