// Workers AI · dad joke modeWhy did copper ores go to therapy? They had a lot of core issues.

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

Image	Name	Formula	% Copper when pure
	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
	Malachite	CuCO3•Cu(OH)2	57.7
	Azurite	2CuCO3•Cu(OH)2	55.1
	Cuprite	Cu2O	88.1
	Tenorite	CuO	79.7
	Chrysocolla	(Cu,Al)2H2Si2O5(OH)4•n(H2O)	37.9
	Tennantite	Cu12As4S13	51.6
	Dioptase	CuSiO2(OH)2	45.3
	Enargite	Cu3AsS4	48.4