Information card for entry 1544849

Structure parameters

• Common name: Mg1.97SiH0.03O4 ringwoodite at 5.0 GPa
• Mineral name: ringwoodite
• Formula: H0.03 Mg1.97 O4 Si
• Calculated formula: Mg1.96 O4 Si
• Title of publication: Pressure dependence of u parameter in ringwoodite up to 7.9 GPa Sample: 5.0 GPa
• Authors of publication: Kudoh, Y.; Kuribayashi, T.; Mizobata, H.; Ohtani, E.; Sasaki, S.; Tanaka, M.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2007
• Journal volume: 102
• Pages of publication: 8 - 11
• a: 7.996 ± 0.002 Å
• b: 7.996 ± 0.002 Å
• c: 7.996 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 511.2 ± 0.2 ų
• Ambient diffracton pressure: 5000000 kPa
• Number of distinct elements: 4
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No