Perles en jais entre 6 et 10mm Sizes:6mm 65mm Weight in grams: 9

65mm Weight in grams: 9

49gPoids en carat: 72

Different countries where chalcedony can be extracted: Italy

Please note: The hearts are hand-cut in Madagascar by a charming gentleman

Perles en jais entre 6 et 10mm Sizes:6mm 65mm Weight in grams: 9Jet Jet beads. Color: Black Sizes between 6 and 10mm Country of origin: India Gemological information on jet: Namely: Carbonaceous rock Possible color: Black, brownish Density: Between 1. 19 and 1. 35 Hardness: Between 2. 3 and 4 Crystal system: Amorphous Fracture: Conchoidal Cleavage: None Polariscope: Opaque (does not restore) Refractive index: Around 1. 66 Birefringence: Chelsea Filter: Inert Spectrum: Not observable not diagnostic Different