Question

Why are minerals not known as naturally occurring substance in earth's crust?

Answer 1

Minerals are substances formed naturally in the Earth.  They have a definite chemical composition and structure. There are over 3000 minerals known.  Some are rare and precious such as gold and diamond, while others are more ordinary, such as quartz. Do you know of any more examples of minerals from the Earth?

Like all substances, minerals are composed ofelements.

There are only about a hundred elements, and they are the basic building blocks of everything around us. They can be found either in their pure form or chemically combined with other elements to make compounds.  A compound is two or more elements chemically joined together. 

Answer 2

Answer:

There are millions of different kind of Minerals. Only about, just 30 are in common in Earth's Crust. And other minerals makes up the most Rocks in the Earth's Crust.

So for that reason,

They mostly called as the rock forming-minerals too.

THERE FOR, THE MINERALS CANNOT BE CALLED AS THE NATURALLY OCCURRING SUBSTANCES IN EARTH'S CRUST.

i hope you understood Dhruv.

Thanks.