Kleemanite Locality: Iron Monarch open cut, Iron Knob , Middleback Range, Eyre peninsula , South Australia , Australia ( Locality at mindat.org ) Acicular xls and aggregates of the rare mineral Kleemanite Field of view 3 mm. Specimen and photo Leon Hupperichs. My thanks to Volker Hoppe for this exchange specimen. — Photo: Leon Hupperichs · CC BY-SA 3.0
Kleemanite
Kleemanite is an IMA-recognized mineral species in the phosphate class, with the chemical formula ZnAl₂(PO₄)₂(OH)₂·3H₂O.
It crystallizes in the monoclinic crystal system.
Key properties: Mohs hardness 3; specific gravity 2.84; Bright [sic] luster; optically biaxial.
IMA symbol Klm, IMA status: approved, named in 1978.
A rare secondary mineral found in the weathering zone of manganiferous iron ore.
It is found associated with Jacobsite (Iron Monarch quarry, Australia); turquoise (Broken Hill, Australia).
The mineral was named to honor Dr. Alfred William Kleeman (1913–1982), mineralogist, University of Adelaide, Adelaide, Australia.