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ATHENA

MINERALOGY

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Mineral: STORNESITE-(Y) = a CHLADINIITE variety
Formula: (Y,Ca)▢2Na6(Ca,Na)8(Mg,Fe)43(PO4)36
Crystal System: Rhombohedral (Trigonal)
Group: Fillowite group
References: AM 91 (2006), 1412
Type Locality: In paragneiss, Johnston Fjord, Stornes Peninsula and Brattnevet, Larsemann Hills Prydz Bay, East Antarctica
Comments: ▢ = vacancy

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