Geology R1031 and R5061

Handout #5

A Short List of Minerals Classified by Chemical Composition

Mineral
Group Name	Name	Formula
Native Metals	Gold	Au
Native Metals	Silver	Ag
Oxides / Hydroxides	Chromite	Fe₂Cr₃O₄
Oxides / Hydroxides	Goethite	FeO(OH)
Sulfides	Pyrite	FeS₂
	Pyrrhotite	FeS
	Chalcopyrite	CuFeS₂
Sulfates	Gypsum	CaSO₄H₂O
Phosphates	Apatite	Ca₅(PO₄)₃(OH,F,Cl)
Halides	Halite	NaCl
Carbonates*
Silicates*

* See Handout #4

Most of these minerals have some economic importance

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