After 3 Decades, West Ponders Action on Cancer-Causing Erionite
"Mesothelioma, an exceedingly rare and lethal form of cancer, was once thought to be caused only by inhaling asbestos fibers. Then in the late 1970s, when astonishing rates of the disease were reported among villagers in central Turkey, it turned out that a different fibrous mineral was the culprit. Erionite was abundant in native soil and stone, and so easy to work with that villagers had used it to build homes."