Question

how are minerals classified?

Answer 1

CLASSIFICATION OF MINERALS. Since the middle of the 19th century ,minerals have been classified on the basis of the chemical composition. They are divided into classes according to their dominent anion or anionic group (oxides, sulfide etc).

Answer 2

Since the middle of the 19th century, minerals have been classified on the basis of their chemical composition. Under this scheme, they are divided into classes according to their dominant anion or anionic group (e.g., halides, oxides, and sulfides).