1. A compact, fibrous, gray to brown type of asbestos which has an appearance similar to dry wood. Also known as rock wood. 2. A fibrous clay mineral; for example, sepiolite or palygorskite.
Related terms:
1. A compact, fibrous, gray to brown type of asbestos which has an appearance similar to dry wood. Also known as rock wood. 2. A fibrous clay mineral; for example, sepiolite or palygorskite.
Related terms: