Kyanite

Kyanite

Kyanite occurs as elongated blades principally in gneisses and schists, and it is often accompanied by garnet, quartz, and mica. It can also occur in igneous rocks such as granite. Its colour ranges from gray-green to black or blue, with blue and blue-gray being the most common colours. Kyanite varies in hardness according to the cleavage of its crystals.

 


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