Itelmenite is a rare sulfate mineral with the formula Na4Mg3Cu3(SO4)8. It is one of many fumarolic minerals discovered on the Tolbachik volcano.Nazarchuk, E.V., Siidra, O.I., Agakhanov, A.A., Lukina, E.A., Avdontseva, E.Y., Vergasova, L.P., Filatov, S.K., and Karpov, G.A., 2015. Itelmenite, IMA 2015-047. CNMNC Newsletter No. 27, October 2015, 1225; Mineralogical Magazine 79, 1229–1236
Relation to other minerals Saranchinaite and dravertite are examples of other anhydrous complex copper-bearing sulfates, also coming from the Tolbachik volcano.
External links Itelmenite on Mindat:
References