Perles en calcite orange entre 6 et 8mm Sizes:6mm Breakage: Irregular Cleavage: None

Breakage: Irregular Cleavage: None

Gemological information on quartz with graphite inclusions:

- Aventurine

le jaspe Mookaite correspondrait à un type silicifié de radiolarite dont la silification est située entre l'opaline et la chalcédonique

Color: Red with cream veins

Perles en calcite orange entre 6 et 8mm Sizes:6mm Breakage: Irregular Cleavage: NoneCalcite beads. Color: Orange Sizes between 6 and 8mm Country of origin: India Gemological information about orange calcite: Possible colors: Colorless, orange, white, blue, black, brown, magenta, yellow, Density: Between 2. 60 and 2. 80 Hardness: 3 Crystal system: Trigonal Fracture: Conchoidal Cleavage: Perfect Polariscope: Anisotropic, restores every 90 Refractive index: Ne: 1. 486 to 1. 550 No: 1. 650 to 1. 740 Birefringence: 0. 140 to 0. 190