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ATHENA

MINERALOGY

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Mineral: HELLANDITE-(Ce)
Formula: (Ca3REE)4Ce2Al▢2[Si4B4O22](OH)2
Crystal System: Monoclinic
Group: Hellandite group
IMA Number: 2001-019
References: L 11(1999), 27; AM 84 (1999), 913; AM 87 (2002), 745
Type Locality: Campo Padella, Capranica, Vico, Lazio (Latium), Italy
Comments: ▢ = vacancy

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