Minerals Technologies (NYSE:MTX) reported quarterly earnings of $1.60 per share which missed the analyst consensus estimate of $1.64 by 2.44 percent. This is a 3.23 percent increase over earnings of $1.55 per share from the same period last year. The company reported quarterly sales of $548.400 million which missed the analyst consensus estimate of $558.825 million by 1.87 percent. This is a 3.69 percent increase over sales of $528.900 million the same period last year.