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ATHENA

MINERALOGY

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Mineral: MADEIRAITE
Formula: Na2Ca2Fe2Zr2(Si2O7)2O2F2
Crystal System: Monoclinic
Group: Wöhlerite group
IMA Number: 2021-077
References: EJM 34 (2022), 1; MM 86 (2022), 661
Type Locality: Serrado and Terra do Baptista gabbro outcrops, Porto da Cruz, Machico, Madeira Island, Portugal

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