knebelite
noun
kne·bel·ite
ˈnābəˌlīt
plural -s
: a variously colored mineral (Fe,Mn)2SiO4 consisting of iron manganese silicate and occurring especially in Sweden (specific gravity 4.1)
Word History
Etymology
German knebelit, from Karl Ludwig von Knebel †1834 German translator + German -it -ite