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- USA
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
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Description
Poids en gramme: 258g
Family: Microcrystalline Quartz
59mm de diamètre
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Different countries where chalcedony can be extracted: Italy
Perles en spinelle noir entre 4 et 8mm Sizes:4mm Poids en gramme: 258gSpinel beads. Color: Black Sizes between 4 and 8mm Country of origin: Thailand Gemological information on spinel: Possible color: Black, blue, pink, red, purple, green, yellow, orange Density: 2. 65 Hardness: 7 Crystal system: Cubic 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 to reddish
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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