Perles en apatite verte entre 4 et 6mm Galet / nuggets This is the name generally

This is the name generally given to orthoclase

saccharoïdeClivage: AucunPolariscope: AnisotropeIndice de réfraction: Entre 1

Weight: Approx 28g

- Magnesite

Perles en apatite verte entre 4 et 6mm Galet / nuggets This is the name generallyGreen 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