A bill recently introduced in the Kentucky House aims to correct what one lawmaker calls an embarrassing mislabeling of the Commonwealth’s state rock and mineral. Kentucky is commonly known as coal country. The fossil fuel was discovered in the state more than 250 years ago and the business of mining it is one of the region’s hallmark industries, and it’s been the state mineral for just over 25 years. There’s just one problem – geologically, it’s a rock.