Keep an eye out for SI metals Blue gem coal, which can get 200 times the value of regular thermal coal, Is still a player, It is projected that the demand for Silicon Metals will increase continuously from now on, since the demand for solar energy panels is increasing. Silicon Metals need the high quality blue gem coal ingredient. Drummerboy is way off, with this one. Blue gem coal will actually help create the energy alternative to gas and oil. LOL...