ATHENA MINERALOGY |
Mineral: | FREDRIKSSONITE |
---|---|
Formula: | Mg2(Mn3+,Fe3+)BO5 |
Crystal System: | Orthorhombic |
Group: | Ludwigite group |
IMA Number: | 1983-040 |
References: | CM 32 (1994), 397; HB5 (2003) |
Type Locality: | Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Varmland, Wermland), Sweden |
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