Perles en améthyste lavande entre 2 et 14mm ALU Goutte labradorite) but also sometimes potassic

labradorite) but also sometimes potassic (orthoclase) feldspar

Cleavage: Easy

- Thermal (tiger's eye is heated to become bull's eye)

Stone: Lapis lazuli

- Quartz craquelé

Perles en améthyste lavande entre 2 et 14mm ALU Goutte labradorite) but also sometimes potassicLavender amethyst beads. Quite transparent. Color: Lavender Sizes: Between 2 and 14mm 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 Birefringence: 0.