The Collaborative International Dictionary of English v.0.48:

Cancrinite \Can"cri*nite\, n. [Named after Count Cancrin, a
   minister of finance in Russia.] (Min.)
   A mineral occurring in hexagonal crystals, also massive,
   generally of a yellow color, containing silica, alumina,
   lime, soda, and carbon dioxide.
   [1913 Webster]