apatite

名词 apatite:

1. a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus

ap.a.tite

n.（名词）
A natural, variously colored calcium fluoride phosphate, Ca5F(PO 4) 3, with chlorine, hydroxyl, or carbonate sometimes replacing the fluoride. It is a source of phosphorus for plants and is used in the manufacture of fertilizers.
磷灰石：一种自然的，多色的钙氟化物磷酸盐，Ca5F(PO 4) 3，其氟化物成分有时被氯，羟基或碳酸盐所取代。它是植物的一种磷肥并用来制造化肥

来源：
From Greek apatô [deceit (from its often being mistaken for other minerals)]
源自 希腊语 apatô [欺骗（由于其常被当作其他矿物）]