Information card for entry 1531081

Structure parameters

• Chemical name: Ca Sr Mn1.58 Al1.42 Si3 O12 (O H)
• Formula: Al1.42 Ca H Mn1.58 O13 Si3 Sr
• Calculated formula: Al1.43 Ca H Mn1.57 O13 Si3 Sr
• Title of publication: Manganvesuvianite and tweddillite, two new Mn(3+)-silicate minerals from the Kalahari manganese fields, South Africa
• Authors of publication: Armbruster, T.; Gutzmer, J.; Gnos, E.; Doebelin, N.; Dixon, R.; Hejny, C.; Medenbach, O.
• Journal of publication: Mineralogical Magazine (1969-)
• Year of publication: 2002
• Journal volume: 66
• Pages of publication: 137 - 150
• a: 8.934 Å
• b: 5.718 Å
• c: 10.325 Å
• α: 90°
• β: 114.54°
• γ: 90°
• Cell volume: 479.805 ų
• Number of distinct elements: 7
• 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