单词 | ankerite |
释义 | ankerite [`aŋ·kǝ´rīt] MINERALOGY Ca(Fe,Mg,Mn)(CO3)2 A white, red, or gray iron-rich carbonate mineral associated with iron ores and found in thin veins in coal seams; specific gravity is 2.95-3.1. Also known as cleat spar. |
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