Itelmenite
# Itelmenite

Itelmenite is a rare sulfate mineral with the formula $Na_4Mg_3Cu_3(SO_4)_8.$ It is one of many fumarolic minerals discovered on the Tolbachik volcano.

## Relation to other minerals

Saranchinaite and dravertite are examples of other anhydrous complex copper-bearing sulfates, also coming from the Tolbachik volcano.

