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Color: Blue Shape: Oval Size: 52
Nombre de perles par rang: Entre 83 et 87
c'est le cas par exemple de l'oligoclase
A savoir: Il existe deux types d'opale: noble (aussi appelé précieuse) et commune
Possible colors: Its dark red
VENDU Améthyste 3 Carré facetté Color: Blue Shape: Oval Size:Amethyst cabochon. Color: Purple Shape: Drop Size: 23. 18 x 16. 97mm Weight in grams: 4. 02g Carat weight: 20. 13 carat Country of origin: Brazil Gemological information about amethyst: Possible color: Blue mauve, purple, dark magenta, purple magenta Density: 2. 65 Hardness: 7 Crystal system: Trigonal Fracture: Conchoidal Cleavage: None Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive index: n0: 1. 538 to 1. 544 ne: 1.
US$ 27.00
US$ 25.00
US$ 17.95
US$ 170.00
