Tremolite’s importance lies in its dual role as both a gemstone (in its jade form) and a geological indicator of metamorphic conditions. However, its association with asbestos has made it a focus of industrial safety and environmental protection.

The fibrous form of tremolite is one of the six recognized types of asbestos. This material is toxic, and inhaling the fibers can lead to asbestosis, lung cancer and both pleural and peritoneal mesothelioma. Fibrous tremolite is sometimes found as a contaminant in vermiculite, chrysotile (itself a type of asbestos) and talc.