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Fredrikssonite

Mg₂Mn³⁺O₂(BO₃)

Ortorombico IMA approved

成分

Composizione (% in peso)

O

Mn

Mg

OOxygen41.2%
MnManganese28.3%
MgMagnesium25.0%
BBoron5.6%

詞源

命名來源 Kurt A. Fredriksson.