crocidolite
/kroʊˈsɪdəˌlaɪt/
noun
- A blue, fibrous mineral that is a type of asbestos, once used in insulation and fireproofing but now known to be highly toxic.
- Crocidolite was commonly used in building materials before its health risks were discovered.
- Workers who handled crocidolite without protection faced serious lung diseases.
- The old factory was closed because of contamination from crocidolite fibers in the walls.