Mineral (noun)

1. A naturally occurring inorganic substance with a definite chemical composition.
2. A solid substance obtained from the earth and used as a raw material in industry and commerce.

Origin:

Middle french mineral, from latin mineralis, from miner 'a miner', from minera 'ore'.

Examples:

1. Calcium is an important mineral for strong bones.
2. Diamond is a valuable mineral used in jewelry.
3. The mineral deposits were mined for their iron content.
4. The mineral water had a high content of magnesium.
5. Mineral oil is used as a lubricant in many industries.