cro·cid·o·lite 
(krō-sĭdl-īt′)
(krō-sĭdl-īt′)n.
A lavender-blue or greenish variety of asbestos that is a fibrous form of the amphibole mineral riebeckite. Also called blue asbestos.
[Greek krokus, krokis, krokud-, krokid-, nap on woolen cloth + -LITE.]