Information card for entry 9001148

Structure parameters

• Mineral name: Pyroxmangite
• Formula: Mg0.225 Mn6.775 O21 Si7
• Calculated formula: Mg0.225 Mn6.775 O21 Si7
• Title of publication: High-temperature crystal structure of pyrxomangite Sample: T = 600 C Note: Si1x changed to a more reasonable value.
• Authors of publication: Pinckney, L. R.; Burnham, C. W.
• Journal of publication: American Mineralogist
• Year of publication: 1988
• Journal volume: 73
• Pages of publication: 809 - 817
• a: 9.754 Å
• b: 10.617 Å
• c: 17.506 Å
• α: 111.99°
• β: 102.56°
• γ: 82.97°
• Cell volume: 1639.09 ų
• Ambient diffraction temperature: 873.15 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: C -1
• Hall space group symbol: -P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No