Question

define the term mineral and name a major class of minerals with their physical characteristics

Answer 1

Minerals are naturally occurring substance that has a definite chemical composition. Minerals are classified into metallic and non metallic minerals. Metallic mineral contains metal in raw form. Metals are hard, lustre and good conductors of heat and electricity. Non metallic minerals donot contains metal. The mineral fuels like coal and petroleum are non metals

Answer 2

A mineral is a naturally occurring organic and inorganic substances, having an orderly atomic structure and a definite chemical composition and physical properties. A mineral is composed of two or more elements. But, sometimes single element minerals like sulphur, copper, silver, gold, graphite etc. are found.

The major classes of minerals are mentioned below:-

i)Feldspar

ii)Quartz

iii)Pyroxene

iv)Amphibole

v)Mica

vi)Olivine