Information card for entry 9009833

Structure parameters

• Mineral name: Holtedahlite
• Formula: H7 Mg12 O30 P6
• Calculated formula: H7 Mg12 O30 P6
• Title of publication: The crystal structure of natural and synthetic holtedahlite
• Authors of publication: Romming, C.; Raade, G.
• Journal of publication: Mineralogy and Petrology
• Year of publication: 1989
• Journal volume: 40
• Pages of publication: 91 - 100
• a: 11.186 Å
• b: 11.186 Å
• c: 4.977 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 539.322 ų
• Number of distinct elements: 4
• Space group number: 157
• Hermann-Mauguin space group symbol: P 3 1 m
• Hall space group symbol: P 3 -2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No