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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
22 carat Country of origin: Russia Gemological information on charoite: Possible color: Violet to lilac
86mmPoids en gramme: 7
Couleur: BlancheForme: TriangleTaille: 29
92 Hardness: Between 6 and 7 Crystal system: Orthorhombic Breakage: Uneven Cleavage: Distinct in one direction Polariscope: Opaque Refractive index: - Birefringence: - Chelsea filter: - Spectrum: Not observable / not diagnostic Different countries where marcasite can be extracted: United States
basal cleavage Polariscope: Anisotropic (restores every 90°) Refractive index: Np: 1
Labradorite 295 cristal de roche 22 carat Country of origin:Cabochon en labradorite. Couleur: Bleu Forme: Rond Taille: 35,13mm de diamtre Poids en gramme: 16,98g Poids en carat: 84,93 carat Pays d'origine: Madagascar Informations gemmologiques sur la labradorite: Couleurs possibles: Couleur de fond: incolore a gris fonc, diffraction: violette, bleue, verte, jaune, orange et rouge (rare) Densit: entre 2,68 2,76 Duret: entre 6 et 6,5 Systme cristallin: Triclinique Cassure: Subconchodale, irrgulire esquilleuse
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