ˈrinēˌīt noun
( -s )
Etymology: German rinneit, from W. B. Rinne died 1933 German mineralogist + German -it -ite
: a mineral NaK 3 FeCl 6 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)