Question

All ores are
minerals; But
all minerals
are not ores.
Why?

Answer 1

because all minerals are not ores as some of them might have a large amount of unwanted substances such as sand, stones and earthly impurities. For example: Aluminium occurs in earth's crust in the form of two minerals bauxite and clay. So, clay remains only as mineral and not as ore of aluminum.

Answer 2

Explanation:

aliminium is not as ore