The Collaborative International Dictionary of English v.0.48:

Chondrodite \Chon"dro*dite\, n. [Gr. cho`ndros a grain (of wheat
   or spelt), cartilage.] (Min.)
   A fluosilicate of magnesia and iron, yellow to red in color,
   often occurring in granular form in a crystalline limestone.
   [1913 Webster]