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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
Its dimensions are 77x62x28mm
giving them a solid
top and back are covered with many sharp lustrous black tourmaline crystals that are in very good condition
Nestled in a matrix of ivory colored calcite
Obsidian Sphere | Classic Natural Black Crystal | Huge 116mm, 4.57 in | 2.186 kg LL4 Its dimensions are 77x62x28mmObsidian is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. Pure obsidian is usually dark in appearance, though the color varies depending on the impurities present. Iron and other transition elements may give the obsidian a dark brown to black color. Most black obsidians contain nano inclusions of magnetite, an iron oxide. Very few samples of obsidian are nearly colorless. In
