Perles en apatite verte entre 4 et 6mm quartz rutile Number of pearls on a

Number of pearls on a row: 22

Treatment: Thermal

Carat weight: 161

Couleur: Ici la partie rubis est majoritaire

Gemological information about thulite:

Perles en apatite verte entre 4 et 6mm quartz rutile Number of pearls on aGreen apatite beads. Color: Green Sizes between 4 and 6mm 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 index: n0: 1. 625 to 1. 658 ne: 1. 620 to 1. 653