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022 Chelsea Filter: No change Spectrum: Indistinct Different countries where howlite can be mined: Germany
Poids en carat: 6
A savoir: C'est un feldspath potassique
blue on a black background with silky
VENDU Hypersthène 23 blanc 022 Chelsea Filter: No changeHypersthene cabochon. Color: Grey Shape: Round Size: 26. 43mm diameter Weight in grams: 9. 13g Carat weight: 45. 70 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
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