Spirit Of ISIS Crystal Shop
Obsidian, Black Tumblestone - CTUM-0006c  

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Black Obsidian Tumblestone


30mm (average)


20g (maximum)


These are sold individually. The items pictured are an example from our stock, you might not be sent one that is pictured.


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.

Obsidian, Black Tumblestone - CTUM-0006c

Available: 13

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