It has both metallic and non-metallic minerals.

Both metallic and non-metallic minerals are mined in the state.

Ceramics is the art or process of making articles from a non-metallic mineral (for example clay) by firing.

He said he was rich because he owned a company that mined for non-metallic minerals.

This non-metallic mineral has a total approximate reserve of 1,289,600 metric tons.

In the hilly regions of the state many non-metallic minerals are found which are used as industrial raw materials.

Mining activity includes non-metallic minerals, principally quartz for the glass and steel industries.

There are deposits of non-metallic minerals such as lime, clay, kaolin, sulfur and others.

This region generates a large amount of the national production of coal, one of the most economically important non-metallic minerals in the state.

Mining is focused on non-metallic minerals with opals and kaolin the most important products.