Aravaipaite
Aravaipaite is an IMA-recognized mineral species in the halide class, with the chemical formula Pb₃AlF₉·H₂O.
It crystallizes in the triclinic crystal system (space group P2_1/n). It is a member of the Aravaipaite structural group.
Key properties: Mohs hardness 2; specific gravity 6.37; White streak; Vitreous to pearly luster; optically biaxial.
IMA symbol Avp, IMA status: approved, named in 1988.
Found in the oxidized zone of an epithermal Pb–Cu–Ag deposit hosted by a silicified rhyolite-schist breccia.
It is found associated with Grandreefite, pseudograndreefite, laurelite, fluorite, galena, anglesite, linarite, caledonite, quartz.
The name refers to the Aravaipa mining district, Arizona, USA, where the mineral occurs.
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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