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Perles en prehnite, forme diamant, 8mm oeil de faucon Chelsea Filter: Green stones sometimes

Name: Perles en prehnite, forme diamant, 8mm oeil de faucon Chelsea Filter: Green stones sometimes
Brand: www.holcnerdoprava.cz
SKU: 80073384434
Price: 29.15 USD
Availability: InStock
Rating: 4.4122 (9 reviews)

SKU: 80073384434

4.4

EUR29.15 EUR74.15

Perles en prehnite, forme diamant, 8mm oeil de faucon Chelsea Filter: Green stones sometimes

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Description

Chelsea Filter: Green stones sometimes appear pink

In the 19th century

Couleurs possibles: Bleu clair à bleu foncé

Refractive index: Ne: 1

Birefringence: 0

Perles en prehnite, forme diamant, 8mm oeil de faucon Chelsea Filter: Green stones sometimesPerles 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:

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