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Quartz beads with faceted tourmaline inclusions
Informations gemmologiques sur le grenat grossulaire:
Taille: 52
Color: Blue (also available in yellow
veines blanches
VENDU Hypersthène 10 Disque facetté Quartz beads with faceted tourmalineHypersthene cabochon. Color: Grey Shape: Rectangle Size: 31. 95 x 30. 04mm Weight in grams: 13. 18g Carat weight: 65. 91 carat Country of origin: Canada Gemological information on hypersthene: Possible color: Gray, green, brown, black Density: Between 3. 43 and 3. 90 Hardness: Between 5 and 6 Crystal system: Orthorombic Breakage: Irregular Cleavage: Perfect Polariscope: Anisotropic Refractive index: np: 1. 686 to 1. 755 nm: ? ng: 1. 703 to 1. 772
