High Grade Fire Opal Natural Stone Size: 3 Carat To 12 Carat

Having a positive quality management system, we are captivated in Manufacturing, exporting, distributing and supplying a wide compilation of High Grade Fire Opal Natural Stone in Delhi, Delhi, India.

Opal is a hydrated amorphous form of silica. It is classed as a mineraloidrather than a mineral, because of its amorphous form, unlike crystalline forms of silica, which are classed as minerals.Opal is known for its unique display of flashing rainbow colors called play-of-color, known as a opalescencea . There are two broad classes of opal: precious and common. Play-of-color occurs only in precious opalas it consists of sub-microscopic spheres stacked in a grid-like pattern causing interference, refraction and diffraction of light. Other varieties of opal are Fire opal,Girasol opal and Peruvian opal.

Opal Deposits
Australian opal has often been cited as accounting for 95a 97% of the world's supply of precious opal.Some of the famous Australians mines are Coober Pedy, Mintabie,Jundah, Andamooka, Lightning Ridge, Koroit, and Quilpie.Other deposits are found in Brazil, Ethiopia, Guatemala, Honduras, Indonesia, Japan,Mexico, Russia

Opal Hue
Opal can occur in many colors including white, colorless, pale yellow, pale red, gray,
brown and black. The black opals are the rarest, whereas white and greens are the most common. The unique Play-of-colors is shown by precious opals.Opalescence is usually milky blue in color, but it can occur in rarer colors.