硫化铁矿的

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

紫镍铁矿原生粒度较大,被认为是最易浮选的化铜镍矿物。

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

黄铁矿很多，并且含，化物体中的斑。