856
H. Wang et al.
Fig. 3 Sphalerite, pyrite, and galena
Fig. 4 Sphalerite, quartz, and dolomite
Chalcopyrite
Chalcopyrite is mainly produced in the form of irregular monomers. Part of chalcopyrite is encapsulated in sphalerite in the form of particles. It is occasionally observed
that chalcopyrite is produced with sphalerite, pyrite, and galena. Occasionally, chalcopyrite is produced with copper sulfide minerals such as tetrahedriter and covelline.
The size of the chalcopyrite is fine with the particle size of below 0.043 mm (Figs. 5
and 6).
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