Anatase - Brazil There do not seem to

There do not seem to be any cracks or repairs done to this specimen

Obsidian forms as lava cools very rapidly and is not considered a mineral as its lacks any form of crystal structure

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bringing misfortune

Anatase - Brazil There do not seem toAnatase is a form of titanium dioxide. Pure anatase is clear or white but is more often found similar to this specimen, dark in color due to impurities found in the crystals. This mineral is always found in sharp, tetragonal systems. The crystal's structure is known as octahedral, but anatase crystals have a longer vertical axis. Anatase is formed synthetically to be used as a semiconductor. Chemical Formula: TiO2 Location: Cuiaba District, Minas