Word Study
    Gadolinite
WORDNET DICTIONARY
Noun Gadolinite has 1 sense
- gadolinite(n = noun.substance) ytterbite - a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium; Array is a kind of mineral
CIDE DICTIONARY
Gadolinite, n. [Named after Gadolin , a Russian chemist.]. 
                                            
                                         A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    OXFORD DICTIONARY
Gadolinite, n.  a dark crystalline mineral consisting of ferrous silicate of beryllium.
                    Etymology
                        J.  Gadolin, Finnish mineralogist d. 1852
                                    
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