Knebelite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Knebelite \Kne"bel*ite\, n. [From Major von Knebel.] (Min.)
     A mineral of a gray, red, brown, or green color, and
     glistening luster. It is a silicate of iron and manganese.
     [1913 Webster]