Information card for entry 9000487

Structure parameters

• Mineral name: Searlesite
• Formula: B H2 Na O7 Si2
• Calculated formula: B H2 Na O7 Si2
• Title of publication: Structural chemistry of borosilicates, part II: Searlesite, NaBSi2O5(OH): Absolute configuration, hydrogen locations, and refinement of the structure Note: unable to reproduce any of the reported bond lengths
• Authors of publication: Ghose, S.; Wan, C.
• Journal of publication: American Mineralogist
• Year of publication: 1976
• Journal volume: 61
• Pages of publication: 123 - 129
• a: 7.9814 Å
• b: 7.0657 Å
• c: 4.9054 Å
• α: 90°
• β: 93.95°
• γ: 90°
• Cell volume: 275.979 ų
• Number of distinct elements: 5
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No