Table 1 QXRD analysis of the chalcopyrite powder.

Cu minerals are highlighted in blue.

MineralIdeal formulaContent (wt %)
KaoliniteAl2Si2O5(OH)41.2
TalcMg3(Si2O5)2(OH)20.5
Jarosite(Na, K, H3O+)(Fe,Al)3(OH)6(SO4)20.7
IlliteK0.6(H3O)0.4Al1.3Mg0.3Fe2+0.1Si3.5O10(OH)2 · (H2O)0.8
VermiculiteAl10Fe2H80Mg22O124Si220.3
Melanterite(Fe, Cu, Zn)SO4 · 7H2O1.7
ApatiteCa10(PO4)6(OH)28.1
QuartzSiO21.7
PyriteFeS20.3
ChalcopyriteCuFeS284.6