Brumadoite
Brumadoite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Cu₃(Te⁶⁺O₄)(OH)₄·5H₂O.
It crystallizes in the monoclinic crystal system.
Key properties: specific gravity 2.6; Pale blue streak; Vitreous luster.
IMA symbol Bmd, IMA status: approved, named in 2008.
A late fracture-filling mineral in coarse-grained magnesite.
It is found associated with Magnesite, mottramite, quartz.
The name refers to Brumado, Bahia, Brazil, near the first described locality.
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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