argentiferous

from WordNet (r) 3.0 (2006)

argentiferous
    adj 1: containing or yielding silver; "argentiferous ore"

from The Collaborative International Dictionary of English v.0.48

Argentiferous \Ar`gen*tif"er*ous\, a. [L. argentum silver +
   -ferous: cf. F. argentif[`e]re.]
   Producing or containing silver; as, argentiferous lead ore or
   veins.
   [1913 Webster]