Is Chrysotile Asbestos Fibre Cement Roofing Sheet Safe for You? What is Asbestos Fibre? Asbestos refers to a group of naturally occurring fibrous silicate minerals. There are two main groups based on mineral composition. Serpentine and amphibole asbestos. Serpentine asbestos: Chrysotile: Also known as white asbestos, chrysotile fibres are curly and flexible. This is the … Continue reading Is Chrysotile Asbestos Fibre Cement Roofing Sheet Safe for You?