Asbestos is a group of naturally occurring silicate minerals. Mined and milled from different rocks, asbestos is fibrous, thin, and strong. Chrysotile, amosite, crocidolite, tremolite, anthophyllite, and actinolite fibers are the most common types of asbestos minerals. However, only chrysotile, crocidolite, and amosite varieties are of industrial importance. Characteristics, like heat resistance, chemical inertness, high tensile strength and insulating capacity, coupled with the flexibility to be woven make asbestos suitable for use in many industrial and residential applications.