• Manager:Jiujun Li
  • Mobile:+86-13903119840
  • Phone:+86-0311-88708888
  • Fax:+86-0311-88709840
  • E-mail:86234885@163.com
  • Skype:sjz139
  • MSN:sjz139@hotmail.com
  • Address:Yuhua District In
  •       Shijiazhuang No.68 Road
  •       side (b plant North)

广西电气石板,托玛琳板

一.电气石(托玛琳)基础知识:
  电气石(Tourmaline) 
  Na(Mg,Fe,Mn,Li,Al)3Al6[Si6O18][BO3]3(OH,F)4�或写成通式: 
  NaR3Al6[Si6O18][BO3]3(OH,F)4。 
   二.【化学组成】 即除硅氧骨干外,还有[BO3]络阴离子团。其中Na+可局部被K+和Ca2+代替,(OH)-可被F-代替,但没有Al3+代替Si4+现象。R位置类质同像广泛,主要有4个端员成分,即: 
  镁电气石 (Dravite)R=Mg; 
  黑电气石(Schorl):R=Fe; 
  锂电气石(Elbaite):R=Li+Al; 
  钠锰电气石(Tsilaisit)R=Mn。 
  镁电气石—黑电气石之间以及黑电气石—锂电气石之间形成两个完全类质同像系列,镁电气石和锂电气石之间为不完全的类质同像。Fe3+或Cr3+也可以进入R的位置,铬电气石中Cr2O3可达10.86%。 
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