Information card for entry 9009530

Structure parameters

• Mineral name: Wohlerite
• Formula: Ca4 F H3 Na2 Nb O17 Si4 Zr
• Calculated formula: Ca4 F H3 Na2 Nb O17 Si4 Zr
• Title of publication: Crystal structure of wohlerite, Ca2Na(Zr,Nb)[Si2O7](OH)2
• Authors of publication: Shibaeva, R. I.; Belov, N. V.
• Journal of publication: Doklady Akademii Nauk SSSR
• Year of publication: 1963
• Journal volume: 146
• Pages of publication: 897 - 900
• a: 10.8 Å
• b: 10.26 Å
• c: 7.26 Å
• α: 90°
• β: 108.95°
• γ: 90°
• Cell volume: 760.866 ų
• Number of distinct elements: 8
• 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