Information card for entry 9002937

Structure parameters

• Mineral name: Pyroxene-ideal
• Formula: Mg O3 Si
• Calculated formula: Mg O3 Si
• Title of publication: Model pyroxenes I: Ideal pyroxene topologies Pyroxene #21a based on stacking sequence ABABCACBCBAC Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience.
• Authors of publication: Thompson, R. M.; Downs, R. T.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 653 - 666
• a: 19.5959179423 Å
• b: 6 Å
• c: 3.46410161514 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 407.294 ų
• Number of distinct elements: 3
• Space group number: 33
• Hermann-Mauguin space group symbol: P 21 c n
• Hall space group symbol: P -2n 2a
• Method of determination: theoretical
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No