Min. [f. Gr. κασσίτερος tin + -ITE.] Native stannic dioxide, the most common ore of tin, occurring in various forms, as tin stone, wood tin, toads-eye tin, stream tin.
1858. Shepard, Min., 264. Wood-tin of the Cornish miners is only a variety of cassiterite.
1873. Watts, Fownes Chem., 445. Dioxide, or Stannic Oxide, occurs native as tin-stone or cassiterite.
1879. Rutley, Study Rocks, x. 148.