Information card for entry 9010575

Structure parameters

• Mineral name: Oftedalite
• Formula: Al0.141 Be2.859 Ca1.03 Fe0.03 K Mn0.09 O30 Sc0.84 Si12 Y0.01
• Calculated formula: Al0.141 Be2.859 Ca1.03 Fe0.03 K Mn0.09 O30 Sc0.84 Si12 Y0.01
• Title of publication: Oftedalite, (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, a new member of the milarite group from the Heftetjern pegmatite, Tordal, Norway: description and crystal structure
• Authors of publication: Cooper, M. A.; Hawthorne, F. C.; Ball, N. A.; Cerny, P.; Kristiansen, R.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2006
• Journal volume: 44
• Pages of publication: 943 - 949
• a: 10.097 Å
• b: 10.097 Å
• c: 13.991 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1235.28 ų
• Number of distinct elements: 10
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No