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Black Obsidian
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Obsidian is a naturally occurring volcanic
glass formed as an extrusive igneous
rock. Mineral like, but not true mineral because its composition is too complex
to comprise a single mineral. Mainly black, iron and magnesium gives the
obsidian a dark green to brown to black color
Quantity Discounts for this Category :
3-9 units 10% Off, 10 or More
25% Off
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