It is applied to half of the gem and the colours are then reflected through the top. The most common natural color for topaz is pale yellow or brown in fact traditionally nearly all yellowish gemstones were known as topaz but occasionally pink orange red purple or blue crystals would be found. Color diversity is also caused by enhancements performed by the gemstone industry. Topaz is birthstone of november. Gigantic gems and faceted spheres are cut from huge flawless crystals and these make exquisite and exclusive collectors items.
Sapphire is really the only example though tanzanite sometimes comes close. Blue gemstones blue sapphire amethyst blue topaz aquamarine blue topaz blue touramaline blue opal howlite turquoise kyanite paraiba. The blue orange and pink colors are most often cut as gemstones and colorless topaz is becoming increasingly popular as an inexpensive diamond simulant. Highly available it is durable and found in several colours. Topaz is named from greek topazion for a type of gemstone probably after sanskrit tapas fire alluding to the brilliance of gem quality material.
Imperial topaz is the most valuable. Topaz can be found in many colors including yellow orange brown red blue pink violet and green. Among them topaz is a popular gemstone. The bright pink colour is also created using a special high tech process which is called thin film deposition. Gemstones have always been attractive for jewellery designing.
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Red pink purple yellow orange brown blue green colorless. Topaz of all different colors are used in jewelry in rings earrings necklaces pendants and bracelets. Topaz has been known from antiquity. Topaz is a silicate mineral with a chemical composition of al 2 sio 4 mohs hardness number of 8 makes it the hardest silicate mineral. Red gemstones ruby red coral red garnet rubellite red tourmaline carnelian and red zircon etc.While the topaz gemstones which are colour less are of low value and easily available. Colorless topaz is fairly common and is sometimes given a brilliant cut and sold as a substitute for diamond. Deeper the colour of the topaz stone the more is its value. Its hardness large variety of colours and the fact that topaz is the original november birthstone are the reasons why is this precious gemstone so popular nowadays. Though blue is a more common gem color than red very few gems occur in a pure saturated blue.
Other blue gems tend to be a grayish blue spinel benitoite greenish blue blue zircon apatite tourmaline gem silica or a pastel blue aquamarine topaz. This process involves using a thin layer of metal to change the property of the gem to make it more appealing. It is one of the hardest naturally occurring minerals mohs hardness of 8 and is the hardest of any silicate mineral this hardness combined with its usual transparency. Other blue gems tend to be a grayish blue spinel benitoite greenish blue blue zircon apatite tourmaline gem silica or a pastel blue aquamarine topaz. While the topaz gemstones which are colour less are of low value and easily available.
It is one of the hardest naturally occurring minerals mohs hardness of 8 and is the hardest of any silicate mineral this hardness combined with its usual transparency. Red pink purple yellow orange brown blue green colorless. Imperial topaz is the most valuable. Sapphire is really the only example though tanzanite sometimes comes close. It is applied to half of the gem and the colours are then reflected through the top.
