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84 carat Country of origin: Madagascar Gemological information about tourmaline: Density: Between 2
Color: Colorless
Poids en carat: 29
32g Carat weight: 76
Colour: Orange with weakly pronounced perthitic structure Shape: Rectangle Size: 28
Quartz rose 65 aventurine verte 84 carat Country of origin:Cabochon en quartz rose. Couleur: Rose Forme: Goutte Taille: 38,53 x 29,00mm Poids en gramme: 13,44g Poids en carat: 67,24 carat Pays d'origine: Madagascar Informations gemmologiques sur le quartz rose: Couleurs possibles: De rose magenta Densit: 2,65 Duret: 7 Systme cristallin: Trigonal Cassure: Conchodale, irrgulire Clivage: Aucun Polariscope: Anisotrope, rtablit tous les 90 Indice de rfraction: Ne: 1,549 1,557 No: 1,539 1,550 Birfringence: 0,009
