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Journal of Materials Science

, Volume 32, Issue 24, pp 6549–6553 | Cite as

Characterization of a natural substituted pyromorphite

  • I. L. Botto
  • V. L. Barone
  • J. L. Castiglioni
  • I. B. Schalamuk
Article

Abstract

Pyromorphite (Pb5(PO4)3Cl) which occurs in the oxidation zone of a polymetallic Pb–Zn–Ag–Au vein in Paramillos de Uspallata, Mendoza, Argentina, was studied by scanning electron microscopy (including energy dispersive analysis of X-rays (EDAX) electron microprobe), i.r. and Raman spectroscopies and X-ray powder diffraction analysis. The substitution of Pb by Ca and Ba and Cl by OH, respectively, have been detected. In addition, i.r. absorption bands for the CO2-3 ν3-mode have been clearly identified. They are attributed to the CO2-3 for PO-34 substitution in the structure. The composition is regarded as an indication of the paragenesis of the host rocks and the mineralogy of the deposit.

Keywords

Apatite Argentina NASH Galena Mineral District 

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Copyright information

© Chapman and Hall 1997

Authors and Affiliations

  • I. L. Botto
    • 1
  • V. L. Barone
    • 2
  • J. L. Castiglioni
  • I. B. Schalamuk
  1. 1.Quimica Inorganica, CEQUINOR, Facultad de Ciencias ExactasUniversidad Nacional de La PlataLa PlataArgentina
  2. 2.INREMI, Facultad de Ciencias Naturales y MuseoUniversidad Nacional de La PlataLa PlataArgentina

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