Minerals Technologies (NYSE:MTX) reported quarterly earnings of $1.38 per share which beat the analyst consensus estimate of $1.25 by 10.4 percent. This is a 21.05 percent increase over earnings of $1.14 per share from the same period last year. The company reported quarterly sales of $547.000 million which beat the analyst consensus estimate of $515.625 million by 6.08 percent. This is a 11.18 percent increase over sales of $492.000 million the same period last year.