Information card for entry 9000788

Structure parameters

• Mineral name: Tephroite
• Formula: Mg0.17 Mn1.83 O4 Si
• Calculated formula: Mg0.17 Mn1.83 O4 Si
• Title of publication: The forsterite-tephroite series: I. Crystal structure refinements Sample: Te 91 olivine
• Authors of publication: Francis, C. A.; Ribbe, P. H.
• Journal of publication: American Mineralogist
• Year of publication: 1980
• Journal volume: 65
• Pages of publication: 1263 - 1269
• a: 4.879 Å
• b: 10.589 Å
• c: 6.234 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 322.072 ų
• Number of distinct elements: 4
• Space group number: 62
• Hermann-Mauguin space group symbol: P b n m
• Hall space group symbol: -P 2c 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No