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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Birefringence: 0
Royaume-Uni
- Amethyst
dark blue to blue-purple
Gemological information on rock crystal:
Perles en quartz avec inclusions de tourmaline entre 4 et 12mm, QTU Sizes:10mm Birefringence: 0Quartz beads with tourmaline inclusions. Color: Colorless, black (more or less black depending on the number of tourmaline inclusions, quartz can be more or less opaque). Sizes between 4 and 12mm Country of origin: Brazil Gemological information about quartz with tourmaline inclusions: Other name: Love Arrow Quartz Density: 2. 65 Hardness: 7 Crystal system: Trigonal Fracture: Conchoidal Cleavage: None Polariscope: Anisotropic (restores all 90 except
