ML213 Apatite

Code: ML213

  綠色磷灰石Name   Apatite
化學公式   Ca5(PO4)3(F,Cl,OH)Chemical Formula   Ca5(PO4)3(F,Cl,OH)
莫氏硬度 5Mohs scale of Hardness 5
  磷灰石的顏色為綠色。磷灰石的條紋是白色的。其光澤為玻璃態至樹脂態。磷灰石非常脆性斷裂,產生小的貝殼狀碎片。它不是放射性的。  Description   The colour of apatite occurs as green. The streak of apatite is white. Its luster is vitreous to resinous. Apatite is Very brittle fracture producing small, conchoidal fragments. It is not radioactive.
小挑戰   爲什麽叫磷灰石? 這塊石頭的名稱來自希臘語“ apatao”,意為欺騙。Challenge   Why is it named apatite?  The name of this stone comes from a Greek word “apatao” meaning to deceive.

Reference

http://webmineral.com/data/Apatite-(CaF).shtml#.YFGI79wRWUk