单词 | pecoraite |
释义 | pecoraite/pɪˈkɔːrəʌɪt/Mineralogy noun A rare, bright green, monoclinic mineral of the serpentine group, consisting of a basic silicate of nickel, Ni3Si2O5(OH)4, found originally as a product of weathering in an ancient meteorite and subsequently in other metamorphic rocks. Origin1960s. From the name of William T. Pecora, U.S. geologist + -ite. |
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