Copper silicates occur in the mineral kingdom, many minerals owing their colour to the presence of a cupriferous element.
It occurs in cupriferousmine waters and as the minerals chalcanthite or cyanosite, CuSO4.
Houghton were bringing the cupriferousriches of the region into notice.
If the ore contains any stibium, then iron slag is added to it; if pyrites, then are added cakes melted from a cupriferous stone and sand made from stones which easily melt.
In this method of smelting we must use only cupriferous pyrites which easily melt in the fire, in truth the cakes melted out from this, if they no longer absorb much gold or silver, are replenished again from crude pyrites alone.
The description is no doubt that of the Mannsfeld cupriferous slates.
Similarly, when the moisture corrodes friable cupriferous pyrites an acrid juice is made from which is produced vitriol and sometimes alum; or, finally, juices are pressed out by the very force of the heat from the earth.
On ore smelting he describes the reduction of iron and lead ores and cupriferous silver or gold ores with lead.
Since I have explained the nature of vitriol and its relatives, which are obtained from cupriferous pyrites, I will next speak of an acrid solidified juice which commonly comes from cadmia.
Such is the train of operations by which the cupriferous galena schlich, or ground ore is reduced, in the district of Clausthal, into lead, copper, and silver.
The lower part of this stratum shows symptoms of the cupriferousschist that lies underneath.
Its characteristics are the argentiferous andcupriferous ores, whereas in South Midian gold and silver were worked; and the parallelogram whose limits are assigned above, might be converted into a Northern Grant.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cupriferous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
