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Characteristics
-Crystal system : Orthorhombic
-Chemical Composition : Ca2Al3Si3O12OH
-Colors : Violet-Blue
-Hardness : 6,5
-Refractive index : 1,69 - 1,70
-Dispersion : 0,030
   
Tanzanite blue violet 137 facets
Locality : Tanzanie
Dimensions : 8,3mm x 8,3mm x (7mm deep)
Color : Blue violet
Clarty : VS
Brightness : Excellent
Weight : 3,92 carats
Price : 3800 € (969€/ct) (RESERVED)
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