Bukovskýite
An iron arsenate-sulfate forming kidney-shaped nodules — historically known as the 'clay of Kutná Hora'.
Intro adapted from Wikipedia (CC BY-SA).
Bukovskýite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Fe³⁺₂(AsO₄)(SO₄)(OH)·7H₂O.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: specific gravity 2.334; Pale yellowish streak.
IMA symbol Buk, IMA status: approved, named in 1967.
A post-mining surficial weathering product of Fe–As sulfides.
It is found associated with Arsenopyrite, pyrite, quartz.
The mineral was named to honor Antonı́n Bukovský (1865–1950), Professor at the secondary school of Kutná Hora, Czech Republic, who first analyzed the mineral.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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