Gigantic gems and faceted spheres are cut from huge flawless crystals and these make exquisite and exclusive collectors items. Gemstones have always been attractive for jewellery designing. It is applied to half of the gem and the colours are then reflected through the top. 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. Topaz of all different colors are used in jewelry in rings earrings necklaces pendants and bracelets.
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. The blue orange and pink colors are most often cut as gemstones and colorless topaz is becoming increasingly popular as an inexpensive diamond simulant. Imperial topaz is the most valuable. Red gemstones ruby red coral red garnet rubellite red tourmaline carnelian and red zircon etc. Topaz is named from greek topazion for a type of gemstone probably after sanskrit tapas fire alluding to the brilliance of gem quality material.
Colorless topaz is fairly common and is sometimes given a brilliant cut and sold as a substitute for diamond. Topaz is birthstone of november. Deeper the colour of the topaz stone the more is its value. Among them topaz is a popular gemstone. 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.
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Red pink purple yellow orange brown blue green colorless. Topaz has been known from antiquity. Here we have prepared a gemstone chart around their color families for an easy access. The bright pink colour is also created using a special high tech process which is called thin film deposition. Sapphire is really the only example though tanzanite sometimes comes close.Topaz is a silicate mineral of aluminium and fluorine with the chemical formula al 2 si o 4 f oh 2 topaz crystallizes in the orthorhombic system and its crystals are mostly prismatic terminated by pyramidal and other faces. While the topaz gemstones which are colour less are of low value and easily available. Blue gemstones blue sapphire amethyst blue topaz aquamarine blue topaz blue touramaline blue opal howlite turquoise kyanite paraiba. Color diversity is also caused by enhancements performed by the gemstone industry. Though blue is a more common gem color than red very few gems occur in a pure saturated blue.
Topaz occurs in a broad colour change. Topaz can be found in many colors including yellow orange brown red blue pink violet and green. 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. Topaz occurs in a broad colour change. Topaz is a silicate mineral of aluminium and fluorine with the chemical formula al 2 si o 4 f oh 2 topaz crystallizes in the orthorhombic system and its crystals are mostly prismatic terminated by pyramidal and other faces.
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. Red pink purple yellow orange brown blue green colorless. Colorless topaz is fairly common and is sometimes given a brilliant cut and sold as a substitute for diamond. 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. Gigantic gems and faceted spheres are cut from huge flawless crystals and these make exquisite and exclusive collectors items.
