Malignant mesothelioma has been found at higher than expected levels in women and in individuals younger than 55 years old in the southern Nevada counties of Clark and Nye, likewise in the same region carcinogenic mineral fibers including actinolite asbestos, erionite, winchite, magnesioriebeckite and richterite were discovered. Malignant mesothelioma is a fatal cancer associated with asbestos, a set of six naturally occurring silicate minerals, exposure that develops on the outer linings of the lungs.
