Minerals Technologies (MTX) came out with quarterly earnings of $1.51 per share, missing the Zacks Consensus Estimate of $1.53 per share. This compares to earnings of $1.49 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -1.31%. A quarter ago, it was expected that this maker of mineral, mineral-based and synthetic mineral products would post earnings of $1.61 per share when it actually produced earnings of $1.65, delivering a ...