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Apatite-(CaF), Opal (Var: Opal-AN), Albite, Muscovite


Apatite-(CaF) : Ca5[F|(PO4)3], Opal (Var: Opal-AN) : SiO2·nH2O, Albite : Na[AlSi3O8], Muscovite : KAl2[(OH)2|AlSi3O10]

Photo Copyright © nuno afonso  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Nossa Senhora da Esperança Quarry, Quintela de Azurara, Mangualde, Viseu District, Portugal
Nice sample of albite coated by hyalite and some white apatite on the tops.
Apatite cristals up to 2mm.

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