The Collaborative International Dictionary of English v.0.48:
Pinite \Pi"nite\, n. [L. pinus the pine tree.] 1. (Paleon.) Any fossil wood which exhibits traces of having belonged to the Pine family. [1913 Webster] 2. (Chem.) A sweet white crystalline substance extracted from the gum of a species of pine (Pinus Lambertina). It is isomeric with, and resembles, quercite. [1913 Webster]