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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
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Description
- Aragonite
- Colorless labradorite
basal cleavage Polariscope: Anisotropic (restores every 90°) Refractive index: Np: 1
It is a metamorphic material found in the jaspilites of Weeli Wolli
Gemological information on azurite - malachite :
Hypersthène 40 Octaèdre - AragoniteCabochon en hypersthne. Couleur: Gris Forme: Triangle Taille: 45,47 x 31,21mm Poids en gramme: 14,14g Poids en carat: 70,71 carat Pays d'origine: Canada Informations gemmologiques sur l'hypersthne: Couleur possible: Gris, vert, brun, noir Densit: Entre 3,43 et 3,90 Duret: Entre 5 et 6 Systme cristallin: Orthorombique Cassure: Irrgulire Clivage: Parfait Polariscope: Anisotrope Indice de rfraction: np: 1,686 1,755 nm: ? ng: 1,703 1,772 Birfringence:
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