Bixbyite-(Mn)
Bixbyite-(Mn) is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Mn³⁺₂O₃.
It crystallizes in the cubic crystal system (space group Ia3). It is a member of the Bixbyite structural group.
Key properties: Mohs hardness 3.75; specific gravity 5.12; optically isotropic.
IMA symbol Bxb, IMA status: approved, named in 1908.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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