Information card for entry 9003410

Structure parameters

• Mineral name: Pyroxene-ideal
• Formula: Na O6 Sc Si2
• Calculated formula: Na O6 Sc Si2
• Title of publication: Model pyroxenes II: Structural variation as a function of tetrahedral rotation model sodium scandium px after Ohashi et al. (1994A) with O3-O3-O3 angle = 173.7 and model oxygen radius = 1.328
• 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: 9.929 Å
• b: 9.189 Å
• c: 5.305 Å
• α: 90°
• β: 109.8°
• γ: 90°
• Cell volume: 455.401 ų
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No