Minerals are naturally occurring inorganic solids with a crystalline structure and definite range of chemical formula. Ores are concentrations of minerals in rock that are high enough to be economically extracted for use.

Minerals are naturally occurring inorganic solids with a crystalline structure and definite range of chemical formula. Ores are concentrations of minerals in rock that are high enough to be economically extracted for use.

Minerals are naturally occurring inorganic solids with a crystalline structure and definite range of chemical formula. Ores are concentrations of minerals in rock that are high enough to be economically extracted for use.