Information card for entry 9002656

Structure parameters

• Common name: Phase-X
• Mineral name: Phase-X
• Formula: K1.54 Mg1.92 O7 Si2
• Calculated formula: K1.54 Mg1.92 O7 Si2
• Title of publication: Crystal structure of phase X, a high pressure alkali-rich hydrous silicate and its anhydrous equivalent Sample: JKW56
• 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: 5.0812 Å
• b: 5.0812 Å
• c: 13.2112 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 295.397 ų
• Number of distinct elements: 4
• Space group number: 185
• Hermann-Mauguin space group symbol: P 63 c m
• Hall space group symbol: P 6c -2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No