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Characteristics -Crystal system : Tetragonal
-Chemical Composition : (Na4 Cl (Al Si3O8)3n
-Colors : Orange, green, red, yellow, blue, violet.
-Hardness : 5.0 - 6.5
-Refractive index : 1.54 - 1.56
-Dispersion : 0,017
Below this line are stones that have been sold
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