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ATHENA

MINERALOGY

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Mineral: FERRIERITE-NH4
Formula: (NH4,Mg0,5)5(Al5Si31O72).22H2O
Crystal System: Orthorhombic
Group: Zeolite group. Ferrierite series
IMA Number: 2017-099
References: EJM 30 (2018), 404; CM 57 (2019), 81
Type Locality: Libous lignite quarry, Chomutov, Ústí, Bohemia, Czech Republic

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