Kahlerite
Kahlerite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Fe²⁺(UO₂)₂(AsO₄)₂·12H₂O.
Key properties: specific gravity 3.22.
IMA symbol Kah, grandfathered status — known before the IMA’s founding, named in 1953.
A very rare secondary mineral found in the oxidized zone of a uraninite-bearing iron deposit (Hüttenberg, Austria).
It is found associated with Arsenosiderite, scorodite, symplesite, pitticite, löllingite (Hüttenberg, Austria); lavendulan, zeunerite, metazeunerite, malachite, cornubite, mixite.
The mineral was named to honor Dr. Franz Kahler, geologist, Carinthian Landesmuseum, Klagenfurt, Austria.
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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