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Colour: Orange with weakly pronounced perthitic structure Shape: Rectangle Size: 28
vert-jaune
00g Carat weight: 30
18 carat Country of origin: Madagascar Gemological information about apatite: Possible color: Colorless
59g Carat weight: 47
Hypersthène 26 Méditation Colour: Orange with weakly pronouncedCabochon en hypersthne. Couleur: Gris Forme: Ovale Taille: 44,54 x 30,47mm Poids en gramme: 23,55g Poids en carat: 117,75 carat Pays d'origine: Canada Informations gemmologiques sur l'hypersthne: Couleur possible: Gris, vert, brun, noir Densit: Entre 3,43 et 3,90 Duret: Entre 5 et 6 Systme cristallin: Orthorombique Cassure: Irrgulire Clivage: Parfait Polariscope: Anisotrope Indice de rfraction: np: 1,686 1,755 nm: ? ng: 1,703 1,772 Birfringence: 0,015
