单词 | richterite |
释义 | richterite [`rik·tǝ´rīt] MINERALOGY (Na,K)2(Mg,Mn,Ca)6Si8O22(OH)2 A brown, yellow, or rose-red monoclinic mineral composed of basic silicate of sodium, potassium, magnesium, manganese, and calcium; a member of the amphibole group. |
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