When calcined zinciferous pyrites have to be examined, the estimation of zinc is similar to that employed in the analysis of zinc ore.    From Wordnik.com.  [Scientific American Supplement, No. 455, September 20, 1884] Reference

A most complete and rapidly working method for the examination of zinciferous products has originated with the application of neutral ammonium carbonate as solvent.    From Wordnik.com.  [Scientific American Supplement, No. 455, September 20, 1884] Reference

The zinciferous compounds -- calamine, blende, and zinc ash -- are all poor conductors.    From Wordnik.com.  [Scientific American Supplement, No. 433, April 19, 1884] Reference