Information card for entry 9001643

Structure parameters

• Mineral name: Enstatite
• Formula: Fe0.249 Mg0.751 O3 Si
• Calculated formula: Fe0.249 Mg0.751 O3 Si
• Title of publication: A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich orthopyroxene, (Mg0.75Fe0.25)2Si2O6 T = 1100 K
• Authors of publication: Yang, H.; Ghose, S.
• Journal of publication: American Mineralogist
• Year of publication: 1995
• Journal volume: 80
• Pages of publication: 9 - 20
• a: 18.4105 Å
• b: 8.9691 Å
• c: 5.254 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 867.57 ų
• Ambient diffraction temperature: 1100 K
• Number of distinct elements: 4
• 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