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Cymraeg

Zinkenite

Crystal System: Hexagonal
Status of Occurrence: Confirmed Occurrence
Distribution: Rare
Chemical Composition: Lead antimony sulphosalt
Chemical Formula: Pb9Sb22S42
Method(s) of Verification: Bwlch Mine - EMPA & XRD (Bevins, et.al., 1988, University College, Cardiff).

Chemical Group:

Geological Context:

Introduction: zinkenite occurs with stibnite, galena and various lead-antimony sulphosalts in complex hydrothermal vein and breccia assemblages typical of the epithermal Pb-Sb association.
Occurrence in Wales: the only record of zinkenite from Wales is that which resulted from investigations of the antimony mineralization at Bwlch Mine near Deganwy on the North Wales coast (Bevins et al., 1988). As with many of the Pb-Sb sulphosalts, it is difficult to identify positively in hand specimen and consequently, verification often requires detailed analytical techniques.

Key Localities:

There are no key localities for this specimen.

References:

  1. Bevins, R.E., Alderton, D.H.M. & Horak, J.M., 1988. Lead-antimony mineralisation at Bwlch Mine, Deganwy, Wales. Mineralogical Magazine, 52, 391-394.

There are no references for this specimen.