What is Mystic Topaz? ‘Mystic Topaz’ is ”real” Topaz that is coated to add color. Much of the Topaz that is found in nature is in fact colorless, or ‘white’. To add color, Topaz can be coated with an ultra thin layer (film), which is similar to the coatings used on camera lenses. Mystic topaz, […]Continue reading »
Topaz Consumer Information
As provided and validated by various gemmological organizations, laboratories and the "World Jewelry Confederation CIBJO"
known for topaz. Topaz sometimes includes a soft blending of pinkish orange to reddish orange colours, which the gem trade has called “imperial topaz”. Natural blue topaz exists but is generally pale.
desirable and possible. Pink and red topaz are normally only available in small stones and a slightly higher degree of inclusions are tolerated. These inclusions are usually liquid inclusions. Occasionally trapped minerals such as rutile can be found in topaz. In very rare cases, tiny ribbon like hollow tubes, forming in parallel fashion, cause cat’s eye effect.
occur, especially by known artists, they are soon collected.
colours. Irradiation / followed by heating: this treatment begins with induced irradiation causing colourless topaz to turn brown or brownish green. A heat treatment follows, turning the material blue. In rare cases, some material may retain residual radioactivity which has generally disappeared before it reaches the end consumer.
poor because of its perfect directional cleavage. Treated gems may be even more vulnerable to cleaving. Ultrasonic cleaners and steamers should be avoided. A soft, damp cloth remains the best way to clean topaz and topaz jewellery. Colour is the principal feature of topaz with pink to orange to reddish orange combinations being among the most collectible. Size of the gemstone is also an important attribute, even in irradiated material where huge museum-quality gems are occasionally available.