Information card for entry 9016243

Structure parameters

• Mineral name: Perrierite-(La)
• Formula: Al0.5 Ca0.6 Fe La3.4 Mn0.5 Nb0.5 O22 Si4 Ti2.5
• Calculated formula: Al Ca1.2 Fe2 La6.8 Mn Nb O44 Si8 Ti5
• Title of publication: Perrierite-(La) (La,Ce,Ca)4Fe2+(Ti,Fe)4(Si2O7)2O8 - a new mineral species from volcanic region Eifel, Germany
• Authors of publication: Chukanov, N. V.; Blass, G.; Pekov, I. V.; Belakovskiy, D. I.; Van, K. V.; Rastsvetaeva, R. K.; Aksenov, S. M.
• Journal of publication: Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva
• Year of publication: 2011
• Journal volume: 140
• Pages of publication: 34 - 44
• a: 13.668 Å
• b: 5.6601 Å
• c: 11.743 Å
• α: 90°
• β: 113.64°
• γ: 90°
• Cell volume: 832.229 ų
• Number of distinct elements: 9
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No