Information card for entry 9003431

Structure parameters

• Mineral name: Pyroxene-ideal
• Formula: Mg O3 Si
• Calculated formula: Mg O3 Si
• Title of publication: Model pyroxenes II: Structural variation as a function of tetrahedral rotation model protopyroxene with O3-O3-O3 angle = 180 and model oxygen radius = 1 Note: Atoms Mg, Si, and O are assigned to atomic positions for convenience
• Authors of publication: Thompson, R. M.; Downs, R. T.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 614 - 628
• a: 7.037 Å
• b: 6.928 Å
• c: 4 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 195.009 ų
• Number of distinct elements: 3
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No