Information card for entry 9001180

Structure parameters

• Mineral name: Piemontite
• Formula: Al1.869 Ca1.799 Fe0.323 H Mn0.808 O13 Si3 Sr0.201
• Calculated formula: Al1.869 Ca1.799 Fe0.323 H Mn0.808 O13 Si3 Sr0.201
• Title of publication: Thermal behavior of the crystal structure of strontian piemontite Sample: T = 800 C
• Authors of publication: Catti, M.; Ferraris, G.; Ivaldi, G.
• Journal of publication: American Mineralogist
• Year of publication: 1988
• Journal volume: 73
• Pages of publication: 1370 - 1376
• a: 8.934 Å
• b: 5.727 Å
• c: 10.3 Å
• α: 90°
• β: 115.26°
• γ: 90°
• Cell volume: 476.608 ų
• Ambient diffraction temperature: 1073.15 K
• Number of distinct elements: 8
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No