Information card for entry 9001147

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 pyroxmangite Sample: T = 400 C
• 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: 9.739 Å
• b: 10.585 Å
• c: 17.482 Å
• α: 112.02°
• β: 102.66°
• γ: 82.97°
• Cell volume: 1628.48 ų
• Ambient diffraction temperature: 673.15 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