Information card for entry 9002655

Structure parameters

• Common name: Phase-X
• Mineral name: Phase-X
• Formula: Al0.12 Mg1.88 Na1.78 O7 Si2
• Calculated formula: Al0.12 Mg1.88 Na1.78 O7 Si2
• Title of publication: Crystal structure of phase X, a high pressure alkali-rich hydrous silicate and its anhydrous equivalent Sample: JKW42
• Authors of publication: Yang, H.; Konzett, J.; Prewitt, C. T.
• Journal of publication: American Mineralogist
• Year of publication: 2001
• Journal volume: 86
• Pages of publication: 1483 - 1488
• a: 4.9827 Å
• b: 4.9827 Å
• c: 6.4354 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 138.368 ų
• Number of distinct elements: 5
• Space group number: 162
• Hermann-Mauguin space group symbol: P -3 1 m
• Hall space group symbol: -P 3 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No