Blue Zircon Gems
There are types of gemstones with some pretty good hardness and brightness that appear in blue. Sapphire is the best known, and can be found in the full range of blues, from pale blue to black and blue. Blue Topaz, colorless topaz radioactive products is most popular of all blue gems, it is widely available and at attractive prices and are in shades of light and dark environment. Other options include blue and violet-blue Tanzanite () and peridot (light blue). And may in some cases, spinel and tourmaline may be found in blue, but only rarely.
May Jewel is no doubt brilliant blue zircon, which has a high refractive index The Tanzanite sapphire or spinel. Zircon, but not well known by the public, who are prone to interference with zirconium, cubic, a tonic of artificial diamonds. Minerals natural zircon, zirconium silicate, and is in a range of colors including white, blue, yellow, orange, brown, pink and green.
Zircon production is blue and the most popular color by heat treatment of brown zircon. But do not turn all blue zircon brown when exposed to heat only part of the zircon structure and the right to convert blue material when heated. This is why most blue zircon comes from Cambodia or Burma.
Blue Zircon has some unique features that make it very popular with amateur jewels. Not only zircon and outstanding brilliance, but is also a very strong dispersion or fire, and tend to split white light into colors of the spectrum. Zircon is also very clear birefringence or double refraction, where the difference between the two refractive indices is unusually high. This is evident in many cases can be seen with the naked eye when you look down on a table cut zircon: I note from deficiencies that are legally edges.
Blue Zircon is a gem though difficult reasonably Mohs scale of hardness of about 7 to 7.5, is fresh and somewhat sensitive to knocks and pressure. Zirconia has a tendency to wear along the edges of the face. Therefore should be used in workshops is limited to security settings or to wear jewelry in some cases.
Zirconium can be found in a range of blue tones from very pale blue blue and saturated media. Due pleochroism, zircon may seem a little blue-green when an offer from one direction.
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