| 单词 | carbonate-fluorapatite |
| 释义 | > as lemmascarbonate-fluorapatite carbonate-fluorapatite n. Mineralogy a fluorine-containing mineral of the apatite group occurring as colourless or whitish crystals in some sedimentary rocks.The mineral is a carbonate and phosphate of calcium, Ca5(PO4,CO3)3F. Crystal system: trigonal. The mineral has also been called francolite, staffelite. ΚΠ 1938 Amer. Mineralogist 23 9 Francolite should include both a carbonate-fluor-apatite and a carbonate-hydroxy-fluor-apatite. 1945 U.S. Patent 2,380,800 3/1 The unprepared bone is probably a carbonate fluorapatite. 2007 Deep-sea Res. Part II 54 1375 Glauconite and carbonate-fluorapatite (CFA) are significant components of the condensed Upper Oligocene to Holocene succession recovered from the western margin of southern Africa. < as lemmas |
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