Hermannjahnite Explained

Hermannjahnite
Category:	Sulfate
Formula:	CuZn(SO4)2
Imasymbol:	Hjh^[1]
System:	Monoclinic
Class:	Prismatic (2/m) (same H-M symbol)
Symmetry:	P21/n
Unit Cell:	a = 4.81, b = 8.48, c = 6.76 [Å], β = 93.04° (approximated)

Hermannjahnite is a rare sulfate mineral with the relatively simple formula CuZn(SO₄)₂. It is one of many fumarolic minerals discovered on the Tolbachik volcano.^{[2] [3]}

Relation to other minerals

Hermannjahnite is a zinc-analogue of dravertite – another mineral from prolific Tolbachik.^[4] Minerals somewhat chemically similar to hermannjahnite include ktenasite and christelite.^{[5] [6]}

External links

• Hermannjahnite on Mindat: Web site: Hermannjahnite: Hermannjahnite mineral information and data . Mindat.org . 2016-03-13.

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
2. 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
3. Web site: Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia - Mindat.org . Mindat.org . 2016-03-13.
4. Web site: Dravertite: Dravertite mineral information and data . Mindat.org . 2016-03-13.
5. Web site: Ktenasite: Ktenasite mineral information and data . Mindat.org . 2016-03-13.
6. Web site: Christelite: Christelite mineral information and data . Mindat.org . 2016-03-13.