Black Kyanite

$15.00

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Description

Black Kyanite Crystal Kyanite is an aluminosilicate mineral found in aluminium-rich metamorphic pegmatites and sedimentary rock. The high pressure polymorph of andalusite and sillimanite, the presence of kyanite in metamorphic rocks generally indicates metamorphism occured deep in the Earth’s crust. Al₂SiO₅

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