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ATHENA

MINERALOGY

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Mineral: CIPRIANIITE
Formula: Ca4[(Th,U)Ca]2Al(Be0,51,5)[B4Si4O22](OH)2
Crystal System: Monoclinic
Group: Hellandite group
IMA Number: 2001-021
References: AM 87 (2002), 739; AM 87 (2002), 745; MR 2 (2004), 176; EJM 30 (2018), 1037-1043; EJM 31 (2019), 799
Type Locality: Tre Croci, Vico volcanic region, Vetralla, Viterbo, Lazio (Latium), Italy
Comments: ▢ = vacancy

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