Information card for entry 1552362

Structure parameters

• Common name: Ca3Al2(SiO4)0.69(O4H4)2.31
• Mineral name: katoite
• Formula: Al2 Ca3 H9.24 O12 Si0.69
• Calculated formula: Al2 Ca3 O12 Si0.693
• Title of publication: Crystal structure change in grossular-Si-free katoite solid solution: Oxygen position splitting in katoite : Ca3Al2(SiO4)0.69(O4H4)2.31 unspilt oxygen model
• Authors of publication: Kyono, A.; Arora, S.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2019
• Journal volume: 114
• Pages of publication: 189 - 200
• a: 12.4145 ± 0.0018 Å
• b: 12.4145 ± 0.0018 Å
• c: 12.4145 ± 0.0018 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1913.3 ± 0.5 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 5
• Space group number: 230
• Hermann-Mauguin space group symbol: I a -3 d
• Hall space group symbol: -I 4bd 2c 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No