Kyanite
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Kyanite is a typically blue aluminosilicate mineral, found in aluminium-rich metamorphic pegmatites and sedimentary rock. It is the high pressure polymorph of andalusite and sillimanite, and the prese
Kyanite crystals
Deep blue kyanite
Kyanite within quartz, Hunterian Museum, Glasgow
18K gold earrings with drop-shaped kyanites.
Aluminium silicate
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Aluminum silicate is a name commonly applied to chemical compounds which are derived from aluminium oxide, Al2O3 and silicon dioxide, SiO2 which may be anhydrous or hydrated, naturally occurring as mi
Kyanite
…material in the manufacture of ceramics and abrasives, and it is an important index mineral used by geologists to trace metamorphic zones. Kyanite is an aluminum silicate mineral, with the chemical formula Al2SiO5. It is typically patchy blue in color, though it can range from pale to deep blue and can also be gray or…
Aluminium silicate