Information card for entry 1531198

Structure parameters

• Chemical name: (Na0.5 Ca0.5) (Mg0.43 Fe0.07 Al0.5) (Si2 O6)
• Formula: Al0.5 Ca0.5 Fe0.07 Mg0.43 Na0.5 O6 Si2
• Calculated formula: Al0.5 Ca0.5 Fe0.07 Mg0.43 Na0.5 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: 9.551 Å
• b: 8.751 Å
• c: 5.254 Å
• α: 90°
• β: 106.87°
• γ: 90°
• Cell volume: 420.236 ų
• Number of distinct elements: 7
• Space group number: 3
• Hermann-Mauguin space group symbol: P 1 2 1
• Hall space group symbol: P 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No