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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Indice de réfraction: n0: 1
95 carat Country of origin: South Africa Gemological information about amethyst: Possible color: Blue-mauve
Gemological information on yellow calcite:
38g Carat weight: 111
Perles en iolite entre 6 et 10mm ID brun Indice de réfraction: n0: 1Iolite Cordierite beads. Color: Dark blue Sizes: Between 6 and 10mm Country of origin: Brazil Gemological information about iolite: Possible color: Light to dark blue, gray to colorless purple Real name: Cordierite Density: Between 2. 57 and 2. 66 Hardness: 7. 5 Crystal system: Orthorhombic Fracture: Conchoidal Cleavage: Indistinct Polariscope: Anisotropic Refractive index: Np: 1. 530 to 1. 533 Nm: 1. 535 to 1. 561 Ng: 1. 538 to 1. 563 Birefringence:
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