ATHENA MINERALOGY |
Mineral: | FLUORAPOPHYLLITE-(NH4+) |
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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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