Tumbled Snowflake Obsidian / 1" AVG - 1 LB. LOT halloween Freeform Silver Plated BLACK Agate

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Tumbled Snowflake Obsidian / 1" AVG - 1 LB. LOT halloween Freeform Silver Plated BLACK AgateQuantity: 1 pound 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.