Information card for entry 9011226

Structure parameters

• Mineral name: Medaite
• Formula: As0.185 Ca0.192 Fe0.348 H Mn5.772 O19 Si5 V0.815
• Calculated formula: As0.185 Ca0.192 Fe0.348 H Mn5.772 O19 Si5 V0.815
• Title of publication: Structure of medaite, Mn6[VSi5O18(OH)]: The presence of a new kind of heteropolysilicate anion Note: anisoB's from ICSD
• Authors of publication: Gramaccioli, C. M.; Liborio, G.; Pilati, T.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1981
• Journal volume: 37
• Pages of publication: 1972 - 1978
• a: 6.712 Å
• b: 28.948 Å
• c: 7.578 Å
• α: 90°
• β: 95.4°
• γ: 90°
• Cell volume: 1465.86 ų
• Number of distinct elements: 8
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No