Information card for entry 1564252

Structure parameters

• Common name: Ca1.99(Fe0.66Al0.34)(Al1.02Si2.98)O10(OH)2
• Mineral name: ferriprehnite
• Formula: Al1.36 Ca1.99 Fe0.66 H2 O12 Si2.98
• Calculated formula: Al1.363 Ca2 Fe0.637 H2 O12 Si3
• Title of publication: Ferriprehnite, Ca2Fe3+(AlSi3)O10(OH)2, an Fe3+ analogue of prehnite, from Kouragahana, Shimane Prefecture, Japan : ferriprehnite
• Authors of publication: Nagashima, M.; Nishio-Hamane, D.; Ito, S.; Tanaka, T.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2021
• Journal volume: 116
• Pages of publication: 129 - 139
• a: 18.6149 ± 0.001 Å
• b: 5.4882 ± 0.0003 Å
• c: 4.6735 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 477.46 ± 0.05 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 6
• Space group number: 28
• Hermann-Mauguin space group symbol: P m a 2
• Hall space group symbol: P 2 -2a
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No