Blue asbestos, also known as crocidolite, is a type of asbestos that is known for its high tensile strength and resistance to heat. It is composed of fine, blue fibers that can be easily inhaled, posing significant health risks. Due to its properties, blue asbestos was commonly used in insulation, roofing, and other construction materials. However, exposure to blue asbestos can lead to serious health issues, including asbestosis, lung cancer, and mesothelioma, a rare cancer affecting the lining of the lungs. As a result, the use of blue asbestos has been banned in many countries, and strict regulations are in place to manage its removal and disposal.