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Oftedalite
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| Oftedalite.5771 Formula: K (Sc.84 Ca1.03 Mn.09 Y.01 Fe.03) (Be2.859 Al.141) Si12 O30 Name: Oftedalite Unit cell: 10.097 10.097 13.991 90.0 90.0 120.0 , V=1235.28 Space group: P6/mcc (192) |
Cooper M A , Hawthorne F C , Ball N A , Cerny P , Kristiansen R , The Canadian Mineralogist , 44 (2006) p.943-949, 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, Locality: Heftetjern pegmatite, Tordal, Norway
