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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
tortuous parallel bands
Treatments that exist to modify labradorite:
Rhodonite beads
Birefringence: 0
632 / Nm: 1
Perles en améthyste facettées entre 2 et 4mm Perle décorative tortuous parallel bandsFaceted amethyst beads. Color: Purple Sizes between 2 and 4mm Country of origin: Brazil Gemological information about amethyst: Possible color: Blue mauve, purple, dark magenta, purple magenta Density: 2. 65 Hardness: 7 Crystal system: Trigonal Fracture: Conchoidal Cleavage: None Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive index: n0: 1. 538 to 1. 544 ne: 1. 547 to 1. 553 Birefringence: 0. 009 Chelsea Filter: Inert
US$ 165.00
US$ 140.00
US$ 140.00
US$ 130.00
US$ 375.00
US$ 160.00
US$ 180.00
US$ 190.00
US$ 225.00
US$ 120.00
US$ 120.00
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