Hypersthène 13 Paire de boucles d'oreilles Number of pearls on a

Number of pearls on a row: 22

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

small pebble shape (also called nugget shape) Color: Blue Size: 8-10mm Country of origin: Dominican Republic Number of pearls in a row: Between 43 and 44 Weight of one row: Approx

Indice de réfraction : No : 1

Hypersthène 13 Paire de boucles d'oreilles Number of pearls on aHypersthene 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