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25gPoids en carat: 36
- Scapolite
This results in the absence of iridescence
D'un point de vue strictement géologique
Amétrine 1 Carré facetté 25gPoids en carat: 36Ametrine cabochon. Color: Purple and yellow Shape: Oval Size: 46. 39 x 21. 37mm Weight in grams: 13. 46g Carat weight: 67. 33 carat Country of origin: Bolivia Gemological information about ametrine: Possible color: Purple with yellow to orange 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. 547 to
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