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ATHENA

MINERALOGY

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Mineral: SIGISMUNDITE
Name: Arrojadite-(BaFe)
Formula: BaFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2
Crystal System: Monoclinic
Group: Arrojadite group
IMA Number: 2022 s.p.
References: MM 43 (1979), 227; CM 34 (1996), 827; HB4 (2000); AM 91 (2006), 1249; EJM 34/3 (2022), 321
Type Locality: Alpe Groppera, Val Spluga, Madesimo, Sondrio, Lombardia, Italy
Comments: Formerly Sigismundite

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