MINERAL RESOURCES

MINERALSA naturally occurring

substance foundin the Earth s crust .

Minerals have distinct physical

properties such asCOLOUR and HARDNESS

and chemicalproperties such as

SOLUBILITY .

Minerals are found in different types of geological environments , under

varying conditions . They are created by natural processes without any

human interference .

TYPES OF MINERALSMETALIC

 Metallic mineral re those minerals which can be melted to obtain new products and minerals that conduct heat and electricity and have a characteristic lustre or shine .Iron ore and bauxite are some Examples .

Metallic minerals may be ferrous and

non ferrous. ferrousMinerals like iron ore ,

manganese contains iron are called

ferrous minerals

and chromites

non ferrousMinerals does not contains iron but may contain

some other metals such as gold , silver , copper

or lead are called non ferrous minerals .

NON - MetallicNon-metallic minerals are minerals that have no metallic lustre and break easily. These are also called industrial materials and are typically some form of sediment. Non-metallic minerals are not malleable. Sand, limestone, marble, coal are some examples

limestone

SAND COAL