from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fibrous, lavender-blue or greenish mineral, a sodium iron silicate that is used as a commercial form of asbestos.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fibrous, blue-green mineral that is an asbestos-like form of riebeckite.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral occuring in silky fibers of a lavender blue color. It is related to hornblende and is essentially a silicate of iron and soda; -- called also blue asbestus. A silicified form, in which the fibers penetrating quartz are changed to oxide of iron, is the yellow brown tiger-eye of the jewelers.
from The Century Dictionary and Cyclopedia
- n. A mineral consisting principally of silicate of iron and sodium, occurring in asbestos-like fibers of a delicate blue color, and also massive, in Griqualand, South Africa, and in the Vosges mountains of France and Germany. Also called blue asbestos.
Greek krokus, krokis, krokud-, krokid-, nap on woolen cloth + -lite.(American Heritage® Dictionary of the English Language, Fourth Edition)