• Geology
  • Published 1998

Identification of normal and anomalous compositions of minerals by electron-microprobe analysis; K-rich feldspar as a case study

@inproceedings{Teertstra1998IdentificationON,
  title={Identification of normal and anomalous compositions of minerals by electron-microprobe analysis; K-rich feldspar as a case study},
  author={David K. Teertstra and F C Hawthorne and Petr {\vC}ern{\'y}},
  year={1998}
}
The precision of electron-microprobe (EMP) measurements at a 4sigma level of confidence is about 1%. By using internally consistent standards with compositions compatible with stoichiometries of the structural formulae, minerals with a generally similar matrix may be analyzed with < or =2% accuracy. Systematic analytical error of a standard may be greatly reduced by examination of the results of analysis of closely related unknown minerals. If a standard is compositionally and structurally well… CONTINUE READING

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