odontolite


From The Collaborative International Dictionary of English v.0.48:

Odontolite \O*don"to*lite\, n. [Odonto- + -lite.] (Min.)
   A fossil tooth colored a bright blue by phosphate of iron. It
   is used as an imitation of turquoise, and hence called {bone
   turquoise}.
   [1913 Webster]
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