| 单词 | apatite | 
| 释义 | apatite [`ap·ǝ´tīt]  MINERALOGY A group of phosphate minerals that includes 10 mineral species and has the general formula X5(YO4)3Z, where X is usually Ca2+ or Pb3+, Y is P5+ or As5+, and Z is F-, Cl-, or OH-.  | 
	
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