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Black Obsidian Tumblestone.
Obsidian consists of silicon dioxide (Silica) that forms rock. Obsidian is not crystalline and therefore not a mineral. Obsidian forms from volcanic lava that has cooled to quickly for crystals to form. Obsidian is termed a natural volcanic glass and iron and magnesium impurities produce a black or dark green Obsidian. The presence of microscopic bubble patterns cause Obsidian to colour sheen.
Video: Obsidian, Black Tumblestone
For more detailed information on this crystal - including healing uses, please visit this crystals database webpage.
This product was last updated in our catalog on Wednesday 13 January, 2016.
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