Information card for entry 9001174

Structure parameters

• Mineral name: Howlite
• Formula: B5 Ca2 H5 O14 Si
• Calculated formula: B5 Ca2 H5 O14 Si
• Title of publication: Howlite, Ca2SiB5O9(OH)5: Structure refinement and hydrogen bonding
• Authors of publication: Griffen, D. T.
• Journal of publication: American Mineralogist
• Year of publication: 1988
• Journal volume: 73
• Pages of publication: 1138 - 1144
• a: 12.82 Å
• b: 9.351 Å
• c: 8.608 Å
• α: 90°
• β: 104.84°
• γ: 90°
• Cell volume: 997.505 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No