Mineral

An inorganic species or substance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals.

A mine.

Anything which is neither animal nor vegetable, as in the most general classification of things into three kingdoms (animal, vegetable, and mineral).

Of or pertaining to minerals; consisting of a mineral or of minerals; as, a mineral substance.

Impregnated with minerals; as, mineral waters.

solid homogeneous inorganic substances occurring in nature having a definite chemical composition