Analytical and Bioanalytical Chemistry

, Volume 385, Issue 2, pp 263–271

Laser-induced breakdown spectroscopy analysis of complex silicate minerals—beryl

  • Nancy J. McMillan
  • Catherine E. McManus
  • Russell S. Harmon
  • Frank C. De LuciaJr
  • Andrzej W. Miziolek
Special Issue Paper

DOI: 10.1007/s00216-006-0374-9

Cite this article as:
McMillan, N.J., McManus, C.E., Harmon, R.S. et al. Anal Bioanal Chem (2006) 385: 263. doi:10.1007/s00216-006-0374-9

Abstract

Beryl (Be3Al2Si6O18) is a chemically complex and highly compositionally variable gem-forming mineral found in a variety of geologic settings worldwide. A methodology and analytical protocol were developed for the analysis of beryl by laser-induced breakdown spectroscopy (LIBS) that minimizes the coefficient of variance for multiple analyses of the same specimen. The parameters considered were laser energy/pulse, time delay and crystallographic orientation. Optimal analytical conditions are a laser energy/pulse of 102 mJ and a time delay of 2 μs. Beryl compositions measured parallel and perpendicular to the c axis were identical within analytical error. LIBS analysis of 96 beryls from 16 countries (Afghanistan, Brazil, Canada, China, Colombia, India, Ireland, Italy, Madagascar, Mexico, Mozambique, Namibia, Norway, Russia, Tanzania and United States), Antarctica, and ten US states (AZ, CA, CO, CT, ID, ME, NC, NH, NM and UT) were undertaken to determine whether or not LIBS analysis can be used to determine the provenance of gem beryl.

Keywords

Laser-induced breakdown spectroscopy LIBS Beryl Gem 

Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Nancy J. McMillan
    • 1
  • Catherine E. McManus
    • 1
  • Russell S. Harmon
    • 2
  • Frank C. De LuciaJr
    • 3
  • Andrzej W. Miziolek
    • 3
  1. 1.Department of Geological SciencesNew Mexico State UniversityLas CrucesUSA
  2. 2.Environmental Sciences DivisionUS Army Research OfficeDurhamUSA
  3. 3.Weapons and Material Research DirectorateUS Army Research LaboratoryAberdeenUSA

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