Information card for entry 9006438

Structure parameters

• Mineral name: Enstatite
• Formula: Al0.14 Ca0.012 Fe0.24 Mg1.66 O6 Si1.94
• Calculated formula: Al0.14 Ca0.012 Fe0.24 Mg1.66 O6 Si1.94
• Title of publication: Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes Sample: P = 1.90 GPa, natural orthopyroxene
• Authors of publication: Hugh-Jones D A; Chopelas, A.; Angel, R. J.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1997
• Journal volume: 24
• Pages of publication: 301 - 310
• a: 18.16 Å
• b: 8.7503 Å
• c: 5.1606 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 820.047 ų
• Ambient diffracton pressure: 1900000 kPa
• Number of distinct elements: 6
• 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