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ATHENA

MINERALOGY

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Mineral: GADOLINITE-(Y)
Formula: Y2Fe2+Be2Si2O10
Crystal System: Monoclinic
Group: Gadolinite supergroup. Gadolinite group. Gadolinite subgroup
IMA Number: 1987 s.p.
References: AM 59 (1974), 700; HB2/1 (1995); L 4 (2010), 8; EJM 29/6 (2017), 1067; AM 105 (2020), 1647
Type Locality: Ytterby feldspar quarry, Resarö island, Stockholm, Sweden

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