calmegsuch
Calmegsuch, also known as calmagite, is a rare mineral belonging to the sulfate class. It was first discovered in 1971 in the Calmagite mine in the Khibiny Massif, Kola Peninsula, Russia. The mineral is named after the mine where it was found. Calmegsuch is typically found in association with other minerals such as nepheline, aegirine, and sodalite.
The chemical formula of calmegsuch is Na4Ca2(SO4)3Cl2. It crystallizes in the monoclinic system and forms prismatic
Calmegsuch is not commonly used in industry or jewelry due to its rarity and the fact that