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MINERALOGY

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Mineral: FERROPAPIKEITE
Name: Ferro-papikeite
Formula: NaFe2+2(Fe2+3Al2)(Si5Al3)O22(OH)2
Crystal System: Orthorhombic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Mg-Fe-Mn subgroup. Papikeite group
IMA Number: 2020-021
References: EJM 32 (2020), 443; AM 107/2 (2022), 306
Type Locality: Filipstad Municipality, Värmland County, Nordmark, Sweden

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