Kyanite silicate mineral stone (Nesosilicate) Cianita Azul from polymorph Watch Video
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Description: Crystal system: TriclinicnFormula: Al2SiO5nnKyanite is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rocknnKyanite is a member of the aluminosilicate series, which also includes the polymorph andalusite and the polymorph sillimanite. Kyanite is strongly anisotropic, in that its hardness varies depending on its crystallographic direction. nnIn kyanite, this anisotropism can be considered an identifying characteristic.nAt temperatures
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