Ammonite de Madagascar 2 Galet / nuggets Polariscope: Généralement Microcristallisé: Rétablit constamment

Polariscope: Généralement Microcristallisé: Rétablit constamment / Opaque: Ne rétablit pas (car inobservable) / Rares cristaux: Anisotrope: Rétablit tous les 90°

Couleur: Rose

74g Carat weight: 78

55 carat Country of origin: Madagascar Gemological information on garnierite: Note: This is the generic name for a green nickel ore that formed as a result of lateritic alteration of ultramafic rocks (serpentinite

Color: Green and some black Shape: Drop Size: 40

Ammonite de Madagascar 2 Galet / nuggets Polariscope: Généralement Microcristallisé: Rétablit constammentAmmonite cabochon. Color: Brown Form: Indefinite form Size: 39. 01 x 27. 78mm Weight in grams: 10. 37g Carat weight: 51. 87 carats Country of origin: Madagascar Gemological information about ammonite: Density: Between 2. 80 and 2. 95 Hardness: 4 Crystal system: Orthorhombic Cleavage: In many directions Polariscope: Anisotropic. Generally opaque, does not restore because unobservable. Spectrum: Indistinct