Calamine
Calamine (kal"ȧ*mīn or -min) , noun
[French calamine, Late Latin calamina, from Latin Cadmia. See Cadmia.]
(min.) A mineral, the hydrous silicate of zinc.
The name was formerly applied to both the carbonate and silicate of zinc each of which is valuabic as an ore; but it is now usually restricted to the latter, the former being called smithsonite.