Topaz Jewellery

Published: January 5th, 2011

Topaz jewellery benefits from the mystery and allure of the gemstone that goes back thousands of years. The Egyptians thought that topaz was coloured with the golden glow of the sun god Ra, while Romans associated it with Jupiter, the god of the sun. ‘Topazos’ in Greek means ‘to shine’.

Blue topaz can be a beautiful gift for couples celebrating their anniversaries. It is popular due to its clarity and durability. But blue shades are not usually found in nature, such a stone is usually created through heat treatment and irradiation. Imperial topaz, be it sherry red, deep pink or reddish-orange can be a choice for the most special occasions as imperial shades are the rarest and more valuable.

The most famous topaz is the stone set in the Portuguese Crown, called the Braganza. Sometimes topaz is confused with the more expensive aquamarine. Surface enhanced topaz is a process introduced in 1998 to enhance the appearance of the stone and to bring out colours such as greenish blue or emerald green.

Blue topaz usually starts as a colourless or slightly tinted topaz which is then irradiated to incite a colour change and heated to stabilize this change. The result of this process is a permanent aqua shade. London blue, a deep blue colour, is obtained by further treating the stones using neutron bombardment in a nuclear reactor. This treatment is the only way to obtain smaller stones which have deep colour.

Ranked 8 on the Mohs scale, blue topaz is strong and durable and can be worn every day.


 

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