Information card for entry 9001750

Structure parameters

• Mineral name: Orthopyroxene
• Formula: Al0.028 Ca0.036 Cr0.004 Fe0.801 Mg1.128 Mn0.026 O6 Si1.986 Ti0.005
• Calculated formula: Al0.028 Ca0.036 Cr0.004 Fe0.801 Mg1.128 Mn0.026 O6 Si1.986 Ti0.005
• Title of publication: Orthopyroxene from the Serra de Mage meteorite: A structure-refinement procedure for a Pbca phase coexisting with a C2/c exsolved phase Sample Opx SDM N.7, heated
• Authors of publication: Domeneghetti, M. C.; Tazzoli, V.; Ballaran, T. B.; Molin, G. M.
• Journal of publication: American Mineralogist
• Year of publication: 1996
• Journal volume: 81
• Pages of publication: 842 - 846
• a: 18.32 Å
• b: 8.917 Å
• c: 5.219 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 852.573 ų
• Number of distinct elements: 9
• 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