cupriferous

The lower part of this stratum shows symptoms of the cupriferous schist that lies underneath.

The yield of the argentiferous and cupriferous ores, proved, alas!

Copper silicates occur in the mineral kingdom, many minerals owing their colour to the presence of a cupriferous element.

On ore smelting he describes the reduction of iron and lead ores and cupriferous silver or gold ores with lead.

A cupriferous variety, from Jalpa in Tabasco, Mexico, is known as jalpaite.