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Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
Reserve from the case
Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
Gemological information about chalcedony:
682 Birefringence: 0
the point is narrow
Colors: Purple / Colorless Shape: Round Size: 34
Apatite bleue 20 Forme indéfinie Gemological information about chalcedony:Apatite cabochon. Color: Blue Shape: Round Size: 34. 90mm diameter Weight in grams: 21. 88g Carat weight: 109. 40 carat Country of origin: Madagascar Gemological information about apatite: Possible color: Colorless, yellow, green, blue, purple, pink Density: between 3. 16 and 3. 28 Hardness: 5 Crystal system: Hexagonal Fracture: Subconchoidal, uneven Cleavage: Imperfect Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive
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