Information card for entry 9010370

Structure parameters

• Mineral name: Menezesite
• Formula: Ba2.21 Ca0.31 Fe0.23 H48 K0.53 Mg0.935 Mn0.23 Nb9.22 O54 Ta0.36 Th0.55 Ti3.25 Zr2.74
• Calculated formula: Ba2.2099 Ca0.3096 Fe0.2298 H24 K0.5304 Mg0.9348 Mn0.2298 Nb9.2196 O54 Ta0.36 Th0.55 Ti3.2504 Zr2.74
• Title of publication: Menezesite, the first natural heteropolyniobate, from Cajati, Sao Paulo, Brazil: description and crystal structure Locality: Jacupiranga mine, Cajati county, Sao Paulo, Brazil
• Authors of publication: Atencio, D.; Coutinho, J. M. V.; Doriguetto, A. C.; Mascarenhas, Y. P.; Ellena, J.; Ferrari, V. C.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 81 - 87
• a: 13.017 Å
• b: 13.017 Å
• c: 13.017 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2205.63 ų
• Number of distinct elements: 13
• Space group number: 204
• Hermann-Mauguin space group symbol: I m -3
• Hall space group symbol: -I 2 2 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No