Améthyste lavande forme diamant entre 6 et 10mm Sizes:8mm Refractive index: Np: 1

Refractive index: Np: 1

Gemological information about iolite:

- Permet d'éloigner les personnes nocives qui se trouvent autours de nous

Refractive index: Ne: 1

in order to maintain stable

Améthyste lavande forme diamant entre 6 et 10mm Sizes:8mm Refractive index: Np: 1Lavender Lilac Amethyst Diamond Shape Beads. Color: Lavender Lilac Sizes: Between 6 and 10mm Country of origin: Uruguay Gemological information about amethyst: Possible color: Blue mauve, purple, dark magenta, purple magenta 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 1. 553