Information card for entry 9016625

Structure parameters

• Mineral name: Ringwoodite
• Formula: Mg1.88 O4 Si0.97
• Calculated formula: Mg15.04 O32 Si7.76
• Title of publication: Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O Note: at room T after heating to T = 635 K, split Si model
• Authors of publication: Ye, Y.; Brown, D. A.; Smyth, J. R.; Panero, W. R.; Jacobsen, S. D.; Chang, Y. Y.; Townsend, J. P.; Thomas, S. M.; Hauri, E. H.; Dera, P.; Frost, D. J.
• Journal of publication: American Mineralogist
• Year of publication: 2012
• Journal volume: 97
• Pages of publication: 573 - 582
• a: 8.0947 Å
• b: 8.0947 Å
• c: 8.0947 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 530.398 ų
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No