ATHENA MINERALOGY |
Mineral: | OFTEDALITE |
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Formula: | (Sc,Ca,Mn2+)2K(Be,Al)3Si12O30 |
Crystal System: | Hexagonal |
Group: | Osumilite group |
IMA Number: | 2003-045a |
References: | CM 44 (2006), 943; AM 91 (2006), 1948 |
Type Locality: | Heftetjern granitic pegmatite, northwest of the small parish of Tørdal (Tordal), Telemark, Norway |
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