Information card for entry 9011115

Structure parameters

• Mineral name: Merrihueite
• Formula: K2 Mg5 O30 Si12
• Calculated formula: K2 Mg5 O30 Si12
• Title of publication: Synthetic magnesian merrihueite, dipotassium pentamagnesium dodecasilicate: a tetrahedral magnesiosilicate framework crystal structure
• Authors of publication: Khan, A. A.; Baur, W. H.; Forbes, W. C.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1972
• Journal volume: 28
• Pages of publication: 267 - 272
• a: 10.222 Å
• b: 10.222 Å
• c: 14.152 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1280.62 ų
• Number of distinct elements: 4
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No