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Quadridavyne
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| Quadridavyne Formula: Na8.16 K3.84 Si12 Al12 O48 Ca4 Cl8 Name: Quadridavyne Unit cell: 25.771 25.771 5.371 90.0 90.0 120.0 , V=3089.22 Space group: P63/M (176) |
Bonaccorsi E , Merlino S , Orlandi P , Pasero M , Vezzalini G , European Journal of Mineralogy , 6 (1994) p.481-487, Quadridavyne, [(Na,K)6Cl2][Ca2Cl2][Si6Al6O24], a new feldspathoid, mineral from Vesuvius area, Note: Cl1 y-coordinate altered, Locality: Vesuvius, Italy
