The distribution of Ag and Sb in galena: inclusions versus solid solution

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47 Scopus citations

Abstract

The distributions of Ag and Sb in galena samples from La Paz and Zacatecas, Mexico, were investigated using electron microprobe analysis, backscattered-electron imaging, and high-resolution transmission electron microscopy. Both samples contain numerous rod-shaped inclusions of diaphorite (Pb2Ag3,Sb3S8), and the La Paz samples also contain franckeite [(Pb,Sn)6Sn2Sb2 FeS14]. Although diaphorite is a common Ag-bearing inclusion in galena, franckeite has not been previously reported. Both samples have Ag concentrations nearly equal to those of Sb, indicating coupled substitution of Ag+ and Sb3+ for 2 Pb2+. -from Authors

Original languageEnglish (US)
Pages (from-to)85-95
Number of pages11
JournalAmerican Mineralogist
Volume78
Issue number1-2
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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