Perles en malachite fleur de vie Généralement opaque

Généralement opaque

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

Tailles entre 8 et 10mm

Treatments that exist to modify malachite:

Perles en malachite fleur de vie Généralement opaqueMalachite beads. Color: Light green to dark green zoning Size: 7. 5 8mm Country of origin: Congo Number of beads: Approximately 111 Weight of one row: Approx: 52g Gemological information about malachite: Possible color: Light green to dark green with zoning Density: Between 3. 60 and 4. 05 Hardness: Between 3. 5 and 4 Crystal system: Monoclonic Fracture: Subconchoidal to coarse grained Cleavage: Perfect Polariscope: Opaque Refractive index: Np: 1. 655