Information card for entry 1551361

Structure parameters

• Common name: poppiite
• Mineral name: poppiite from Gambatesa mine
• Formula: Al0.28 Ca2 Fe0.04 H3.41 Mg0.19 Mn0.22 O14 Si3 V2.27
• Calculated formula: Al0.44 Ca2 H2.5 Mg0.244 O14 Si3 V2.316
• Title of publication: Crystal chemistry of poppiite, V-analogue of pumpellyite, from the Komatsu mine, Saitama Prefecture, Japan (x and z of O9 site are incorrect)
• Authors of publication: Nagashima, M.; Matsumoto, T.; Yamada, T.; Takizawa, M.; Momma, K.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2019
• Journal volume: 113
• Pages of publication: 251 - 262
• a: 8.8782 ± 0.0003 Å
• b: 6.0428 ± 0.0002 Å
• c: 19.2938 ± 0.0007 Å
• α: 90°
• β: 97.343 ± 0.003°
• γ: 90°
• Cell volume: 1026.61 ± 0.06 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 9
• Space group number: 12
• Hermann-Mauguin space group symbol: A 1 2/m 1
• Hall space group symbol: -A 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No