Add Yahoo as a preferred source to see more of our stories on Google. Leobardo Segura Meza, 27, of Pacoima suffers from silicosis, an incurable lung disease that has been afflicting workers who cut ...

Cutting-edge technology and stone production techniques are enabling manufacturers to thinly slice semiprecious stone and create mineral-imbedded quartz for use in luminous countertops with a ...

Over the past decade, engineered stone countertops made from crushed quartz have taken over the U.S. market. They come in a range of colors and patterns, and manufacturers talk up their advantages.

Inside the row of workshops in an industrial stretch of the Pacoima neighborhood in Los Angeles, men labored over hefty slabs of speckled stone, saws whining over the sounds of Spanish-language rock.

Leobardo Segura Meza, 27, of Pacoima suffers from silicosis, an incurable lung disease that has been afflicting workers who cut and polish engineered stone high in crystalline silica. (Mel Melcon / ...