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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Weight in grams: 24
Sizes between 6 and 12mm
Biréfringence: 0
- Turquoise
Clivage: Suivant les faces de l'octaèdre
Perles en malachite, forme carré facetté. Galet / nuggets Weight in grams: 24Malachite beads, faceted square. Color: Light green to dark green zoning Size: 4mm Shape: Square Country of origin: Congo Number of pearls in a row: 97 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 Nm: 1. 875
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