单词 | glauconite |
释义 | glauconite —glauconitic /glaw'keuh nit"ik/, adj. /glaw"keuh nuyt'/, n. a greenish micaceous mineral consisting essentially of a hydrous silicate of potassium, aluminum, and iron and occurring in greensand, clays, etc. [1830-40; < Gk glaukón, neut. of glaukós (see GLAUCO-) + -ITE1] |
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