Information card for entry 9017614

Structure parameters

• Mineral name: Fluorcalciomicrolite
• Formula: Ca1.06 F0.79 H0.27 Na0.82 Nb0.21 O6.21 Ta1.79
• Calculated formula: Ca1.06 F0.79 Na0.82 Nb0.21 O6.21 Ta1.79
• Title of publication: Fluorcalciomicrolite, (Ca,Na,_)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil
• Authors of publication: Andrade, M. B.; Atencio, D.; Persiano, A. I. C.; Ellena, J.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2013
• Journal volume: 77
• Pages of publication: 2989 - 2996
• a: 10.4191 Å
• b: 10.4191 Å
• c: 10.4191 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1131.07 ų
• Number of distinct elements: 7
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No