Large Natural Black Obsidian Crystal Freeform 6.9kg Amazonite Crystal banded patterns give it a

banded patterns give it a visual complexity that rivals man-made sculptures

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This Natural Dark Smoky Quartz Freeform from Madagascar is a special find

colour and pattern

The color is usually considered as due to trace amounts of titanium

Large Natural Black Obsidian Crystal Freeform 6.9kg Amazonite Crystal banded patterns give it aPresenting the Large Natural Black Obsidian (Volcanic Glass) Natural Freeform Natural black obsidian is a volcanic glass that forms when molten lava cools rapidly. It is composed mainly of silica and is known for its smooth, glassy texture. The deep black color of obsidian is a result of the presence of iron and other impurities. This deep black crystal with a mesmerizing sheen, has been revered for centuries for its mystical properties and elegant