garnierite


From The Collaborative International Dictionary of English v.0.48:

Garnierite \Gar"ni*er*ite\, n. [Named after the French geologist
   Garnier.] (Min.)
   An amorphous mineral of apple-green color; a hydrous silicate
   of nickel and magnesia. It is an important ore of nickel.
   [1913 Webster]
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