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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
Obsidian is a naturally occurring volcanic glass
Informations gemmologiques sur la thulite:
vert clair à vert foncé
Informations gemmologiques sur la pietersite:
Les agrégats noirs sont constitués d'aiguilles d'amphiboles (composition de riebeckite à paragasite)
VENDU Améthyste chevrons 47 bleu Obsidian is a naturally occurringChevron amethyst cabochon. Color: Purple streaked with white Shape: Triangle Size: 32. 82 x 24. 89mm Weight in grams: 8. 18g Carat weight: 40. 95 carat 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
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US$ 84.00
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US$ 38.00
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US$ 84.00
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