Gold is a precious metal valued by all since years. In its
pure form gold has metallic luster and a sun yellow color, but color can be
transformed when mixed with other metals. The color of gold may range from
silver-white to orange-red.
The purity of gold is measured in Karats, 24 karat being
the purest of all comprises of 100% gold. The other values in the descending
order are:
·
18
karat – 75% gold
·
14
karat – 58.3% gold
·
10
karat – 41.7% gold
Today, gold is used as a means of monetary transactions,
in allied wares, electronic appliances, medical and chemical fields, etc. It is
lavishly used in decoration.