// Workers AI · dad joke modeWhat did copper ore say? I'm core to the issue.

Following is a list of minerals that serve as copper ores in the copper mining process:

Image	Name	Formula	% Copper when pure
Sulfide ores
	Chalcopyrite	CuFeS2	34.5
	Chalcocite	Cu2S	79.8
	Covellite	CuS	66.5
	Bornite	2Cu2S•CuS·FeS	63.3
	Tetrahedrite	Cu3SbS3 + x(Fe,Zn)6Sb2S9	32–45
	Digenite	Cu9S5	78.1
	Tennantite	Cu12As4S13	51.6
	Enargite	Cu3AsS4	48.4
Carbonate ores
	Malachite	CuCO3•Cu(OH)2	57.7
	Azurite	2CuCO3•Cu(OH)2	55.1
Oxide ores
	Cuprite	Cu2O	88.1
	Tenorite	CuO	79.7
Silicate ores
	Chrysocolla	(Cu,Al)2H2Si2O5(OH)4•n(H2O)	37.9
	Dioptase	CuSiO2(OH)2	45.3