The 6 types of asbestos are:Chrysotile asbestos – The most common type of asbestos. Often found in roofing, walls and flooring of older buildings and has a white appearance.Crocidolite asbestos – Once used for insulation of steam engines and as an ingredient in cement products. Has a blue appearance.Amosite – Once popular for insulating pipes. Has a brown appearance.Tremolite – A fibrous material that is often found in Chrysotile asbestos.Actinolite – Contains concentrated levels of magnesium. Can be green, blue, white or yellow in appearance, making identification difficult.Anthophyllite – One of the most likely types of asbestos to be inhaled. Commonly part of other asbestos forms.