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Indice de réfraction: Lecture difficile vers 1
Couleur: Orange
Size: About 44
Number of beads on a row of 5 x 8mm: 74
05g Carat weight: 85
VENDU Apatite bleue 21 brun Indice de réfraction: Lecture difficileApatite cabochon. Color: Blue Shape: Round Size: 33. 95mm diameter Weight in grams: 19. 36g Carat weight: 96. 81 carat Country of origin: Madagascar Gemological information about apatite: Possible color: Colorless, yellow, green, blue, purple, pink Density: between 3. 16 and 3. 28 Hardness: 5 Crystal system: Hexagonal Fracture: Subconchoidal, uneven Cleavage: Imperfect Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive
