Kolitschite Field of view: 0,5 mm Locality: Mina de las Torcas, Torrecampo, Córdoba, Andalusia, Spain Description: SEM-EDS analysed. Collection & Photograph Christian Rewitzer 6.2023. — Photo: Christian Rewitzer · CC BY-SA 3.0
Kolitschite
Kolitschite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Pb[Zn₀.₅, ₀.₅]Fe₃(AsO₄)₂(OH)₆.
It crystallizes in the monoclinic crystal system (space group C2/c). It is a member of the Alunite structural group.
Key properties: Mohs hardness 4; specific gravity 4.2; Light yellow streak; Adamantine luster; optically biaxial.
IMA symbol Klt, IMA status: approved, named in 2008.
From supergene alteration of primary Pb-Zn ore.
It is found associated with Mimetite, segnitite, carminite, bayldonite, cryptomelane.
The mineral was named to honor Dr. Uwe Kolitsch (b. 1966), Curator of Mineralogy, Natural History Museum, Vienna, Austria.