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ATHENA

MINERALOGY

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Mineral: FLUORAPOPHYLLITE-(NH4+)
Formula: NH4Ca4(Si8O20)F.8H2O
Crystal System: Quadradic (Tetragonal)
Group: Apophyllite group
IMA Number: 2019-083
References: MM 84/1 (2020), 159; MM 84/4 (2020), 533
Type Locality: Vechec, Vranov nad Toplou District, Presov (Prešov), Slovakia Vechec, Vranov nad Toplou District, Presov (Prešov), Slovakia

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