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Ships within 48 hours · Estimated delivery Oct 30 - Nov 4
655 / Nm: 1
- Verre bleu
Size: 8 x 4mm
Note: There are two types of opal: noble (also called precious) and common
Color: Light green to dark green zoning Shape: Drop Size: 38
Perles en iolite Perle décorative 655 / Nm: 1Iolite beads. Color: Dark blue Size: 7 x 8mm 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: 0. 006 to 0. 012
US$ 525.00
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US$ 175.00
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US$ 900.00
US$ 1025.00
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US$ 450.00
