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Esperanzaite
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| Esperanzaite Formula: As2 Ca2 Al2 Na.68 F4 (O11 H5) Name: Esperanzaite Unit cell: 9.687 10.7379 5.5523 90.0 105.32 90.0 , V=557.02 Space group: P121/M1 (11) |
Foord E E , Hughes J M , Cureton F E , Maxwell C H , Falster A U , Sommer A J , Hlava P F , The Canadian Mineralogist , 37 (1999) p.67-72, Esperanzaite, NaCa2Al2(AsO4)2F4(OH).2H2O, a new mineral species from, the La Esperanza mine, Mexico: Descriptive mineralogy and atomic arrangement, Locality: La Esperanza mine, Mexico
