Tumbled Snowflake Obsidian / 1" AVG - 1 KILO LOT Menu Freeforms & Boulders Pieces measure approximately 6" -

Pieces measure approximately 6" - 12"

Weight: 184 g

The oldest deposits have been dated to approximately 2 billion years ago

Natural variance is expected

Tumbled Snowflake Obsidian / 1" AVG - 1 KILO LOT Menu Freeforms & Boulders Pieces measure approximately 6" -Quantity: 1 kilogram Average size range: 1 inch Obsidian is not a gemstone, but instead 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. Snowflake obsidian also contains inclusions of cristobalite, a mineral sometimes found in marine opal.