学科分类
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1 个结果
  • 简介:Spacesymmetryofprehnite,whichoccursincavitiesandveinswithinSkarnfromtheTieshanironmineraldeposit,Daye,Hubeiprovince,CentralChina,hasbeendeterminedusingselectedareaelectrondiffraction(SAED)andconvergent-beamelectrondiffraction(CBED)onthesubmicrometerscale.OurresultsconfirmthatthenaturalprehnitemayhavethestructurewithsymmetryPncm.Theunit-cellparametersofinvestigatedprehnite(a=0.458nm,b=0.555nm,andc=1.853nm)havebeencalculatedbyusingthemulticrystaldifiractionringsofgold,theinternalstandard.

  • 标签: 葡萄石 晶体结构 电子衍射法 空间群 Pnem