Améthyste chevrons 68 Coeur Color: Blue Shape: Oval Size:

Color: Blue Shape: Oval Size: 30

97 carat Country of origin: Congo Gemological information about malachite: Possible color: Light green to dark green with zoning Density: Between 3

87 carats Country of origin: India Gemological information on microcline: Note: Part of the feldspa family

90 carat Country of origin: South Africa Gemological information about amethyst: Possible color: Blue-mauve

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Améthyste chevrons 68 Coeur Color: Blue Shape: Oval Size:Cabochon en amthyste chevrons. Couleur: Pourpre stri de blancForme: GoutteTaille: 40,58 x 23,68mmPoids en gramme: 10,65gPoids en carat: 53,30 caratPays d'origine: BrsilInformations gemmologiques sur l'amthyste: Couleur possible: Bleu mauve, violet, magenta fonc, violet magentaDensit: 2,65Duret: 7Systme cristallin: TrigonalCassure: ConchodaleClivage: AucunPolariscope: Anisotrope (rtablit tous les 90, sauf dans l'axe optique)Indice de rfraction: n0: