Hypersthène 13 Paire de boucles d'oreilles 09 carat Country of origin:

09 carat Country of origin: Namibia Gemological information about pietersite: Note: Pietersite is a variety of chalcedony

Indice de réfraction : No : 1

the difference is that one has bands and the other does not

- Perle fine d'eau douce

Hypersthène 13 Paire de boucles d'oreilles 09 carat Country of origin:Hypersthene cabochon. Color: Grey Shape: Rectangle Size: 33. 28 x 25. 65mm Weight in grams: 13. 67g Carat weight: 68. 37 carat Country of origin: Canada Gemological information on hypersthene: Possible color: Gray, green, brown, black Density: Between 3. 43 and 3. 90 Hardness: Between 5 and 6 Crystal system: Orthorombic Breakage: Irregular Cleavage: Perfect Polariscope: Anisotropic Refractive index: np: 1. 686 to 1. 755 nm: ? ng: 1. 703 to 1. 772