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642 / Ng: 1
Polariscope: Isotrope
Taille: 43
Taille: 46
it is engraved "ALG" which corresponds to "A l'or gemmes"
VENDU Malachite 34 Tranche 642 / Ng: 1Malachite cabochon. Color: Light green to dark green zoning Shape: Oval Size: 43. 58 x 30. 86mm Weight in grams: 18. 48g Carat weight: 92. 44 carat Country of origin: Congo 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:
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