Information card for entry 9004116

Structure parameters

• Mineral name: Manganocummingtonite
• Formula: Al0.088 Ca0.28 Fe0.5 H2 Mg3.7 Mn1.599 Na0.21 O24 Si7.872 Zn0.749
• Calculated formula: Al0.088 Ca0.28 Fe0.5 H2 Mg3.7 Mn1.599 Na0.21 O24 Si7.872 Zn0.749
• Title of publication: The crystal structure and site-chemistry of a zincian tirodite by least-squares refinement of X-ray and mossbauer data
• Authors of publication: Hawthorne, F. C.; Grundy, H. D.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1977
• Journal volume: 15
• Pages of publication: 309 - 320
• a: 9.606 Å
• b: 18.126 Å
• c: 5.317 Å
• α: 90°
• β: 102.63°
• γ: 90°
• Cell volume: 903.385 ų
• Number of distinct elements: 10
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No