GNU Collaborative International Dictionary of English

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1.       
   Crocidolite , n. [Gr. κροκύς nap on cloth + -lite.] (Min.) A mineral occurring 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.
   1913 Webster