Améthyste chevrons 41 arbres Carat weight: 20

Carat weight: 20

658 / Nm = 1

Silica nanospherules are: - Either of a different shape other than that of a sphere - Either too big - Either of different diameters from each other If any of these parameters come into play

70 carat Country of origin: Tanzania Treatment: Contains colorless oil residue that is present in small fractures of the stone

Color: Beige with a shimmer

Améthyste chevrons 41 arbres Carat weight: 20Chevron amethyst cabochon. Color: Purple streaked with white Form: Indefinite form Size: 30. 66 x 23. 14mm Weight in grams: 7. 05g Carat weight: 35. 30 carat Country of origin: Brazil Gemological information about amethyst: Possible color: Blue mauve, purple, dark magenta, purple magenta Density: 2. 65 Hardness: 7 Crystal system: Trigonal Fracture: Conchoidal Cleavage: None Polariscope: Anisotropic (restores all 90, except in the optical axis)