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Hardness: Between 4 and 5 (at the axis)
Couleur: Zonation de vert clair à vert foncéForme: GoutteTaille: 42
Informations gemmologiques sur l'astrophyllite:
- Pearly glass
553 Birefringence: 0
VENDU Amétrine 6 Carré facetté Hardness: Between 4 and 5Ametrine cabochon. Color: Purple and yellow Shape: Drop Size: 25. 92 x 21. 23mm Weight in grams: 8. 55g Carat weight: 42. 77 carats 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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