Which of the following is not a natural mineral ?

Options

A. Asbestos
B. Feldspar
C. Phosphate
D. Nitrogen

Answer

C

Explanation

A mineral is solid chemical compounds that occurs naturally in pure form. Minerals are most commonly associated with rocks due to presence of mimerals within rocks. A phosphate is a chemical derivative o phosphoric acid. The phosphate ion `(PO_4)^(3-)` is an inorganic chemical, the conjugate base that can form many different salts. phosphates are mined to obtain phosphorus for use in agriculture and industry.