Hydroxycalcioroméite
The calcium- and hydroxyl-dominant member of the roméite group — a honey-yellow calcium antimonate.
Intro adapted from Wikipedia (CC BY-SA).
Hydroxycalcioroméite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula (Ca,Sb³⁺)₂(Sb⁵⁺,Ti)₂O₆(OH).
It crystallizes in the cubic crystal system (space group Fd3m). It is a member of the Pyrochlore-Roméite structural group.
IMA symbol Hcr, IMA status: approved, named in 1895.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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