Information card for entry 9001086

Structure parameters

• Mineral name: Hydrogarnet
• Formula: Al2 Ca3 H12 O12
• Calculated formula: Al2 Ca3 H12 O12
• Title of publication: Neutron and X-ray diffraction study of hydrogarnet Ca3Al2(O4H4)3 Sample: Temperature = 300 K, X-ray 2, without H
• Authors of publication: Lager G A; Armbruster T; Faber J
• Journal of publication: American Mineralogist
• Year of publication: 1987
• Journal volume: 72
• Pages of publication: 756 - 765
• a: 12.565 Å
• b: 12.565 Å
• c: 12.565 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1983.75 ų
• Ambient diffraction temperature: 300 K
• Number of distinct elements: 4
• 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