rinneite
noun
rin·ne·ite
ˈrinēˌīt
plural -s
: a mineral NaK3FeCl6 consisting of a chloride of iron, potassium, and sodium and occurring in colorless, pink, violet, or yellow granular masses (hardness 3, specific gravity 2.3)
Word History
Etymology
German rinneit, from W. B. Rinne †1933 German mineralogist + German -it -ite