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Crystal system: Trigonal / Microcrystalline
- Andalusite
Les traitements qui existent pour modifier l'opale commune bleue:
Tourmaline can be confused with:
de la labradorite
VENDU Rhodonite 4 Carré / cube Crystal system: Trigonal / MicrocrystallineRhodonite cabochon. Color: Pink Shape: Oval Size: 45. 97 x 29. 61mm Weight in grams: 17. 95g Carat weight: 89. 77 carat Country of origin: Africa Gemological information about rhodonite: Density: Between 3. 40 and 3. 70 Hardness: Between 5. 5 and 6 Crystal system: Triclinic Fracture: Conchoidal, irregular, splintery Cleavage: Perfect Polariscope: Anisotropic (does not restore if opaque) Refractive index: No: 1. 711 to 1. 738 Nm: 1. 714 to 1. 741 Ng:
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