Cloncurryite Locality: Great Australia Mine, Cloncurry, Cloncurry District, Mt Isa - Cloncurry area, Queensland, Australia Cloncurryite (IMA2005-060) from the Type Locality. Field of view 3 mm. I acquired this specimen from Volker Hoppe, the discoverer of this new and very rare mineral. — Photo: Leon Hupperichs · CC BY-SA 3.0
Cloncurryite
Cloncurryite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Cu₀.₅(VO)₀.₅Al₂(PO₄)₂F₂·5H₂O.
It crystallizes in the monoclinic crystal system (space group P2_1/c).
Key properties: Mohs hardness 2; specific gravity 2.525; White streak; Vitreous luster; optically biaxial.
IMA symbol Ccu, IMA status: approved, named in 2005.
A product of the weathering in silicified goethite-hematite gossan.
It is found associated with Malachite, pseudomalachite, cuprite, native copper.
The name refers to the town of Cloncurry, near where specimens were first collected.