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MINERALOGY

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Mineral: JAHNSITE-(NaMnMg)
Formula: {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2.8H2O
Crystal System: Monoclinic
Group: Jahnsite group. Jahnsite subgroup
IMA Number: 2018-017
References: AM 93 (2008), 940; MM 82/3 (2018), 779-785; AM 106/8 (2021), 1360-1364
Type Locality: Sapucaia mine (Proberil mine), Sapucaia do Norte, Galiléia, Minas Gerais, Brazil

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