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ATHENA

MINERALOGY

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Mineral: MINASGERAISITE-(Y) = intermediate member DATOLITE - HINGGANITE-(Y)
Formula: CaY2Be2Si2O10
Crystal System: Monoclinic
Group: Gadolinite supergroup. Gadolinite group. Gadolinite subgroup
IMA Number: 1987 s.p.
References: AM 71 (1986), 603; HB2/2 (1995); EJM 29/6 (2017), 1067; MM 82 (2018), 312; EJM 35/3 (2023), 397
Type Locality: Jacuaracu pegmatite, Lavra de Sr. Jose Pinto, Municipo de Timoteo, Jacuaracu, Minas Gerais, Brazil
Comments: Discredited

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