Silver substitution into synthetic zinc, cadmium, and iron tetrahedrites.

R. A D Pattrick, A. J. Hall

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The limit of Ag substitution in natural zincian tetrahedrites is approx 4 Ag per half unit cell, (Cu,Ag)10(Zn,Fe)2Sb4S13, and into iron tetrahedrites approx 6.5 Ag. The cell size increases with increasing Ag up to 4 Ag but then decreases. In synthetic material the highest substitution achieved was 4.7 Ag in Zn2-tetrahedrite, 7.02 Ag in Cd2-tetrahedrite and 6.80 Ag in Fe2-tetrahedrite. For these synthetic phases the largest cell size was a 10.927 A for the 7.02 Ag in Cd2- tetrahedrite. An explanation for the limit of 7 Ag substitution is given on the basis of a combined electron band/molecular orbital approach.- R.A.H.
    Original languageEnglish
    Pages (from-to)441-451
    Number of pages10
    JournalMineralogical Magazine
    Volume47
    Issue number4
    DOIs
    Publication statusPublished - 1983

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