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- Synthetic spinel (By anhydrous dissolution)
Couleur: couleur de fond: incolore a gris foncé
39 carat Country of origin: Congo Gemological information about malachite: Possible color: Light green to dark green with zoning Density: Between 3
5 and 4 Crystal system: Monoclonic Fracture: Subconchoidal to coarse-grained Cleavage: Perfect Polariscope: Opaque Refractive index: Np: 1
dark magenta to purple
Pierre de soleil 29 oeil de tigre - Synthetic spinel (By anhydrousSunstone cabochon. Color: Orange with a multi colored glitter effect Shape: Drop Size: 30. 46 x 28. 42mm Weight in grams: 8. 66g Carat weight: 43. 31 carat Country of origin: India Gemological information on sunstone Note: The name sunstone is a trade name. Officially part of the feldspar group. In the plaglioclase, soda lime or potassic series. The iridescent effect is linked to the presence of inclusions: hematite, copper and goethite. Possible
