Perles en rhodonite, forme disque plat 4 x 6mm améthyste lila They are subjected to a

They are subjected to a high temperature such that they undergo the beginning of vitrification

orange and/or black

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Hardness: 7

Perles en rhodonite, forme disque plat 4 x 6mm améthyste lila They are subjected to aRhodonite beads, flat disc shape. Color: Pink, often with black spots or streaks Size: 4 x 6mm Country of origin: Australia and Canada Gemological information about rhodonite: Density: Between 3. 40 and 3. 70 Hardness: Between 5. 5 and 6 Crystal system: Triclinic Fracture: Conchoidal, irregular, splintery Cleavage: Perfect Polariscope: Anisotropic (does not restore if opaque) Refractive index: No: 1. 711 to 1. 738 Nm: 1. 714 to 1. 741 Ng: 1. 724 to 1.