Minerals Technologies (MTX) came out with quarterly earnings of $1.65 per share, beating the Zacks Consensus Estimate of $1.61 per share. This compares to earnings of $1.31 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 2.48%. A quarter ago, it was expected that this maker of mineral, mineral-based and synthetic mineral products would post earnings of $1.27 per share when it actually produced earnings of $1.49, delivering a s ...