Asbestos is a collection of six natural minerals identified by name that have a fibrous habit and
have been associated with a specific set of health problems including asbestosis and mesothelioma.
It excludes many fibrous natural minerals that may be equally as hazardous but not as frequently
encountered (see Fibrous Minerals).
Two Phases of Chrysotile Asbestos, Gamma (Positive Sign of Elongation) and Alpha (Negative Sign of Elongation)