Information card for entry 9010428

Structure parameters

• Mineral name: Orthopyroxene
• Formula: Al0.236 Ca0.01 Fe0.967 Mg0.923 Mn0.016 O6 Si1.848
• Calculated formula: Al0.236 Ca0.01 Fe0.967 Mg0.923 Mn0.016 O6 Si1.848
• Title of publication: The high-pressure behavior of an Al- and Fe-rich natural orthopyroxene Sample: P = 3.947 GPa
• Authors of publication: Nestola, F.; Ballaran, T. B.; Balic-Zunic T; Secco, L.; Dal Negro, A.
• Journal of publication: American Mineralogist
• Year of publication: 2008
• Journal volume: 93
• Pages of publication: 644 - 652
• a: 18.1427 Å
• b: 8.746 Å
• c: 5.1716 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 820.609 ų
• Ambient diffracton pressure: 3947000 kPa
• Number of distinct elements: 7
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No