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ankerite
an·ker·ite A0285300 (ăng′kə-rīt′)n. A white, gray, or red iron-rich dolomitic or carbonate mineral, Ca(Fe,Mg,Mn)(CO3)2. [After Matthias Joseph Anker (1771-1843), Austrian mineralogist.]ankerite (ˈæŋkəˌraɪt) n (Minerals) a greyish to brown mineral that resembles dolomite and consists of a carbonate of calcium, magnesium, and iron. Formula: (Ca,Mg,Fe)CO3[C19: named after M. J. Anker (died 1843), Austrian mineralogist]an•ker•ite (ˈæŋ kəˌraɪt) n. a carbonate mineral related to dolomite but with iron replacing part of the magnesium. [1835–45; after M. J. Anker (d. 1843), Austrian mineralogist; see -ite1] ankerite
ankerite[′aŋ·kə‚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. |