硫化铁矿的

Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.

黄铁很多，并且含钴，在硫化块体中成稠密的斑块。

Primary violarite has comparatively big particle size,and it is considered the easiest flotation copper-niekle-sulphide ore.

紫硫铁原生粒度,认为是最易选的硫化铜。