7 terms

Earth and the Environment Lecture Notes 11 (Minerals)

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Minerals
A solid inorganic substance of natural occurrence. 3500 known on earth.
Silicates
Si, O combined with other cations
Carbonates
Ca, Mg, Fe, and Mn combined with CO3
Oxides
O2− and metallic cations
Sulfides
S2− and metallic cations
Sulfates
(SO4)2− and metallic cations
Polymorphs
Minerals having the same chemical composition, but different crystals structures