Perles en améthyste, forme coeur quartz fumé Hardness: between 6 and 6

Hardness: between 6 and 6

Namibia Malachite can be confused with: - Glass paste - Plastic - Resin - "Dead" turquoise - Synthetic malachite Treatments that exist to modify malachite: - Resin - Reconstituted malachite is also made by compressing it

221 Chelsea Filter: No modification Spectrum: Different countries where rhodochrosite can be mined: United States

Cassure: Irrégulière Clivage: Aucun

Lithotherapy (alleged virtues):

Perles en améthyste, forme coeur quartz fumé Hardness: between 6 and 6Amethyst beads, heart shape. Color: Light to dark purple. Size: 8 x 4mm Country of origin: Brazil Number of hearts in a row: Between 54 and 55 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.