copper pyrites การใช้

Specimens of gold were found in town, and iron and copper pyrites in veins.
Copper Pyrite was the main product, but iron, lead, nickel and cobalt were also won.
Besides copper, quartzite, copper pyrite and magniferous rocks are other important minerals sources found in Malanjkhand.
Copper mining is mentioned, using a variety of ores including copper pyrites and marcasite, some of the mining being underground, some on the surface.
The point about gold is it won't dissolve in anything else & " He shows Dick by other tests that they have found copper pyrites, a rich copper ore.