Information card for entry 9002703

Structure parameters

• Mineral name: Katoite
• Formula: Al2 Ca3 H12 O12 Si3
• Calculated formula: Al2 Ca3 H12 O12 Si3
• Title of publication: High-pressure single-crystal X-ray diffraction study of katoite hydrogarnet: Evidence for a phase transition from Ia-3d - I-43d symmetry at 5 GPa Sample: P = 2.15 GPa
• Authors of publication: Lager, G. A.; Downs, R. T.; Origlieri, M. J.; Garoutte, R.
• Journal of publication: American Mineralogist
• Year of publication: 2002
• Journal volume: 87
• Pages of publication: 642 - 647
• a: 12.4286 Å
• b: 12.4286 Å
• c: 12.4286 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1919.85 ų
• Ambient diffracton pressure: 2150000 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