Information card for entry 9014509

Structure parameters

• Mineral name: Topaz-OH
• Formula: Al0.68 H0.68 O2 Si0.32
• Calculated formula: Al0.68 H0.68 O2 Si0.32
• Title of publication: Crystal structure of a new high-pressure polymorph of topaz-OH P = 14 GPa, T = 1400 C
• Authors of publication: Kanzaki, M.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 1349 - 1352
• a: 4.72318 Å
• b: 8.9148 Å
• c: 2.77276 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 116.75 ų
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No