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Howardevansite
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| Howardevansite Formula: Cu2 Fe4 V6 Na2 O24 Name: Howardevansite Unit cell: 8.198 9.773 6.651 103.82 101.99 106.74 , V=473.10 Space group: P-1 (2) |
Hughes J M , Drexler J W , Campana C F , Malinconico M L , American Mineralogist , 73 (1988) p.181-186, Howardevansite, NaCuFe2(VO4)3, a new fumarolic sublimate from, Izalco volcano, El Salvador: Descriptive mineralogy and crystal structure, Note: Displacement ellipsoid for Na1 is not positive-definite
