Hermannjahnite is a rare

sulfate The sulfate or sulphate ion is a polyatomic anion with the empirical formula . Salts, acid derivatives, and peroxides of sulfate are widely used in industry. Sulfates occur widely in everyday life. Sulfates are salts of sulfuric acid and many ...

mineral with the relatively simple formula CuZn(SO₄)₂. It is one of many fumarolic minerals discovered on the Tolbachik volcano.Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Vergasova, L.P., Filatov, S.K., Pekov, I.V., Karpov, G.A., and Yapaskurt, V.O., 2015. Hermannjahnite, IMA2015-050. CNMNC Newsletter No. 27, October 2015, 1225; Mineralogical Magazine79, 1229–1236

Relation to other minerals

Hermannjahnite is a

zinc Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodi ...

-analogue of dravertite - another mineral from prolific Tolbachik. Minerals somewhat chemically similar to hermannjahnite include ktenasite and christelite.

External links

* Hermannjahnite on Mindat:

References

Sulfate minerals Copper(II) minerals Zinc minerals Monoclinic minerals Minerals in space group 14 Minerals described in 2017 {{sulfate-mineral-stub