User:Biroopaksha Brusadhwaz/sandbox

DEFINATION OF A MINERAL A mineral is a naturally occouring substance,which has a definite chemical composition and atomic structure.It is also   a inorganic substance.But it is also true that some geologiest consider coal and petroliumas mineral even if they are made up of organic matter. There are more then 2000 minerals are known to exist in this world but,only afew are common.It is unbelevable that most of the minerals are the result of only eight elements.These eight common elements are oxygen,silicon,potassium,sodium,iron,aluminium,calcium and magnesium.From these eight elements oxygen and silicon are most abundent.which form the silicate group of minerals