Bixbyite - Deposit topotype- Maynard's Claim (Pismire Knolls), Thomas Range, Juab Co., Utah, USA (Crystal size 1cm) — Photo: Didier Descouens · CC BY-SA 3.0
Bixbyite-(Fe)
Bixbyite-(Fe) is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Fe³⁺₂O₃.
It crystallizes in the cubic crystal system (space group Ia3). It is a member of the Bixbyite structural group.
Key properties: Mohs hardness 6–6.5; typically black.
IMA status: approved, named in 2022.
Collections: Collector Favorites, Rare & Remarkable.
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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