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Couleur: Gris-argenté intense brillant à gris foncé selon l'angle de vision
50g Carat weight: 57
Different countries where amethyst may be mined: Bolivia
It refers to a rock composed of 3 minerals: zoisite (green)
63g Carat weight: 153
VENDU Aigue-marine 19 bleu Couleur: Gris-argenté intense brillant àAquamarine cabochon. Color: Blue Shape: Oval Size: 41. 34 x 29. 03mm Weight in grams: 17. 65g Carat weight: 88. 25 carat Country of origin: Brazil Gemological information about aquamarine: Possible colors: Light blue to dark blue. Blue green Density: Between 2. 68 and 2. 80 Hardness: 7. 5 Crystal system: Hexagonal Fracture: Conchoidal Cleavage: Imperfect Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive index: No: 1.
