Information card for entry 1531200

Structure parameters

• Chemical name: Na.32 Ca.59 Mg.60 Fe.25 Al.24 (Si2 O6)
• Formula: Al0.24 Ca0.59 Fe0.25 Mg0.6 Na0.32 O6 Si2
• Calculated formula: Al0.24 Ca0.59 Fe0.25 Mg0.6 Na0.32 O6 Si2
• Title of publication: Crystal-chemical characterization of clinopyroxenes based on eight new structure refinements
• Authors of publication: Clark, J.R.; Papike, J.J.; Appleman, D.E.
• Journal of publication: Mineralogical Society of America: Special Papers
• Year of publication: 1969
• Journal volume: 2
• Pages of publication: 31 - 50
• a: 9.646 Å
• b: 8.824 Å
• c: 5.27 Å
• α: 90°
• β: 106.598°
• γ: 90°
• Cell volume: 429.872 ų
• Number of distinct elements: 7
• 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