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- USA
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- USA
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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Description
Birefringence: 0
except in the optical axis)
Cleavage: /
Number of pearls in a row: 180
Perles en prehnite, forme diamant, 8mm oeil de faucon Birefringence: 0Perles en prehnite, forme diamant. Couleur: Vert et un peu de noir Taille: 8mm Pays d'origine: Mali Informations gemmologiques sur la prehnite: Couleurs possibles: Incolore, blanc, vert, jaune, brun Densit: entre 2,80 et 2,95 Duret: entre 6 et 6,5 Systme cristallin: Orthorhombique Cassure: Irrgulire Clivage: Distinct Polariscope: Anisotrope Indice de rfraction: Np: 1,611 1,632 Nm: 1,615 1,642 Ng: 1,632 1,665 Birfringence: 0,021 0,0033 Filtre chelsea:
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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