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La citrine peut-être confondue avec:
It is made up of 108 blue apatite and howlite beads
Common opal is distinguished from noble opal by its construction
Metal: Alloy
- Fire Opal
Perles en iolite labradorite La citrine peut-être confondue avec:Iolite beads. Color: Dark blue Size: 3 x 4mm 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
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