Information card for entry 9001116

Structure parameters

• Mineral name: Howardevansite
• Formula: Cu2 Fe4 Na2 O24 V6
• Calculated formula: Cu2 Fe4 Na2 O24 V6
• Title of publication: 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
• Authors of publication: Hughes, J. M.; Drexler, J. W.; Campana, C. F.; Malinconico, M. L.
• Journal of publication: American Mineralogist
• Year of publication: 1988
• Journal volume: 73
• Pages of publication: 181 - 186
• a: 8.198 Å
• b: 9.773 Å
• c: 6.651 Å
• α: 103.82°
• β: 101.99°
• γ: 106.74°
• Cell volume: 473.098 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No