kremersite
noun
kremers·ite
ˈkremərˌzīt,
ˈkrām-
plural -s
: a volcanic mineral product [(NH4),K]2FeCl5.H2O consisting of a hydrous chloride of potassium, ammonium, and iron that occurs in red octahedrons
Word History
Etymology
German kremersit, after P. Kremers, 19th century German chemist who described it + German -it -ite