Mini Tumbled Chips - Obsidian, Black, 1/4 LB

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Description: Tumbled and polished with an approximate size of 1/8" - 3/8" (we request that you allow for some slight size variation outside of that range). Rock/Mineral Info: Obsid ian is an igneous rock that forms when lava cools very rapidly. Its conchoidal fracture makes it very easy to carve into various shapes and tools (e.g., spearheads or arrowheads) via a process called knapping. Occasionally, obsidian can contain trace amounts of magnetite, which causes a lovely silver, gold, or rainbow sheen when the stone is viewed from specific angles. Metaphysical Properties: Obsidian is associated with grounding, healing, and protection from negative energy. Show more