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MINERALOGY

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Mineral:PIERGORITE-(Ce)
Formula:Ca8Ce2(Al0.5Fe3+++0.5)([],Li,Be)2Si6B8O36(OH,F)2
Crystal System:Monoclinic
Strunz Nr:8/F.36-50
Group:Hellandite group related
References:AM 91 (2006), 1170
Type Locality:Tre Croci, Vico volcanic region, Vetralla, Viterbo, Lazio (Latium), Italy
Comments:[] = vacancy

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