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Dimensions: 29
Costa-Rica
Couleur: Pourpre strié de blancForme: GoutteTaille: 52
57 carat Country of origin: India Gemological information about moonstone: Note: The name moonstone is a trade name
673 Birefringence: Most of the time it is zero Chelsea Filter: Inert Spectrum: Not observable / not diagnostic Different countries where black jade may be mined: Japan
Quartz rose 29 Carré facetté Dimensions: 29Cabochon en quartz rose. Couleur: Rose Forme: Goutte Taille: 36,20 x 21,29mm Poids en gramme: 8,26g Poids en carat: 41,35 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
