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Rubies What is a Ruby? VideoHOW TO FIND RUBIES, GOLD AND DIAMONDS!? Ruby is distinguished for its bright red color, being the most famed and fabled red gemstone. Beside for its bright color, it is a most desirable gem due to its hardness, durability, luster, and rarity. Transparent rubies of large sizes are even rarer than Diamond s. Ruby is the red variety of the mineral Corundum. One of the most popular traditional jewelry stones, ruby is exceptionally durable. Its colors — always red — can reach vivid levels of saturation. Fine-quality rubies are some of the most expensive gemstones, with record prices over $1,, per carat. However, rubies are also subjected to more treatments than almost any other gem. Rubies Like sapphires, rubies are members of the corundum mineral species. There is just a slight distinguishing difference; rubies come in one scintillating shade: red. There's nothing like the lustrous red of a ruby, and finding an untreated stone is exceptionally rare. RUBIES II does not sell our products directly to the public. If you are a current RUBIES II customer requesting online access, please proceed to step 2. If you are a retailer looking to open a new account, please contact us by phone at () or by e-mail at [email protected] A ruby is a pink to blood-red coloured gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. The word ruby comes from ruber, Latin for red.
Link Directory Donations Mobile Site. Chemical Formula. Crystal System. Refractive Index. Transparent to opaque. Double Refraction. Vitreous to adamantine.
None, but may exhibit parting. Mineral Class. The color of Ruby ranges from bright red to dark reddish-brown. The most preferred color is a deep blood red with a slightly bluish hue.
Ruby from Burma is famous for its exceptional coloring, and has traditionally produced the finest Rubies.
However, Burmese Ruby rarely exceeds several carats; large flawless Burmese Rubies can be worth millions of dollars. Heat-treating a Ruby can also increase its transparency by removing tiny internal flaw s.
Inclusions of tiny, slender, parallel Rutile needles in Ruby cause a polished gem to exhibit asterism. A Ruby displaying asterism is known as a " Star Ruby ", and if transparent can be very highly prized.
Star Rubies exists in six ray stars, though twelve ray stars are also known. These simulate natural formation conditions so closely that colors and even inclusions look extremely natural.
Such stones are difficult for all but the most highly skilled professionals to identify as synthetic. See our articles on identifying synthetic gemstones and identifying inclusions found in synthetic gems for more information.
Like diamonds, rubies have industrial applications, so scientists have manufactured rubies in large quantities and sizes for research purposes.
This ct synthetic ruby was cut from a huge crystal originally grown in the s for laser applications. Rubies have a long history of enhancement. Unless the seller specifically states the stone is unheated, you should assume that some kind of heat treatment has been used.
Usually, high temperature heating and controlled cooling clarify the stones. This process dissolves silk rutile inclusions and can also improve color tone and saturation.
Such treatments can only be detected in stones whose residual inclusions show signs of heat stress. For more information on ruby enhancements, see our article on corundum treatments.
This natural, mined ruby has received both heat and glass filling treatments. Photo by Gemsphoto. Although Asia has historically been the major producer of ruby gems, there are many other sources including the United States, Australia, and, most recently, Africa.
Origin definitely affects the value of rubies. For more information on rubies from these and other parts of the world, see our article on identifying the origins of rubies and sapphires.
Stones from Myanmar generally command the highest prices. They also have extreme red fluorescence. Platinum pin with diamonds and Myanmar rubies approximately 0.
A fabled deposit known for over 1, years, a mining tract in the Mogok region has been the primary source of gem-quality rubies.
The color of Mogok rubies often occurs in rich patches and swirls. Color zoning can occur occasionally. Mogok rubies hold color in virtually any lighting condition, which contributes to the demand for these gem-quality stones.
The shape of Mogok ruby rough generally yields well-proportioned stones. In the late s, gem-quality rubies began appearing in much more abundance from the Möng Hsu region of Myanmar.
The rubies from Möng Hsu are a rich, fluorescent red and are easily distinguished by their dark core. These gems were often treated at very high temperatures to enhance their color.
Concerns were raised not only regarding heat treatment more generally but also over whether rubies from Möng Hsu should be distinguished from other Myanmar rubies.
Top-grade Sri Lankan reds are virtually indistinguishable from their Mogok brethren, but most tend towards purple or pink.
As with Sri Lankan sapphires, color accumulates in large stones. Stones of five carats or more can be quite magnificent. Due to the bi-pyramidal shape of the rough, many stones are cut with overly deep pavilions.
Sri Lankan ruby is strongly fluorescent, and asterism is common. Star stone , Sri Lankan star ruby, oval cabochon, 1.
The main attraction of ruby from Thailand and Cambodia is its high clarity , but the flat crystal shapes generally yield overly shallow stones.
Due to a high iron content, which quenches fluorescence, most of these rubies tend to have a garnet -red color. The others appear blackish, as in red garnets.
Sapphires may contain several different trace elements that contribute to their color. Just like diamonds , rubies can be created in a lab.
Lab-created rubies tend to be much cheaper than natural rubies. They also tend to be produced without the flaws that are present in natural rubies.
From a chemistry perspective, a lab-created ruby is the same mineral as a natural one, with identical chemical properties to a natural stone.
To others, the lack of flaws may be an advantage. Appearance is subjective, and both lab-created and natural rubies can look beautiful.
Ultimately, the best choice is the one that most closely matches your tastes and budget. Because of their rarity, rubies are often faked.
We recommend buying only from a trusted ruby jewelry vendor such as James Allen to avoid buying fake rubies.
To tell a fake ruby from a real one, you can use the following techniques:. Note that a lab-created ruby is not the same as a fake ruby.
Lab-created rubies are chemically identical to natural ones, although their appearance may be slightly different upon a very close examination for example, few or unnatural-looking inclusions.
Fake rubies, on the other hand, are typically made from materials such as glass, or from other, cheaper gemstones.
We make this recommendation for several reasons:. In short, everything that works in their favor regarding diamonds is true here as well.
As we mentioned earlier, ruby engagement rings are becoming increasingly popular for several reasons:.
In general, buying a ruby engagement ring is a fairly simple process. Rubies can look fantastic in a variety of settings, from white gold and platinum to yellow or rose gold.
Thanks to their lighter color, white gold and platinum have more contrast with the rich red color of a ruby. This makes them both good options if you want the color of the ruby to stand out and attract attention.
These metals both complement fair or rosy skin tones very nicely. White gold and platinum look almost identical to the naked eye, with very little visual difference between the two metals.
Both of these metals complement ruby beautifully, making them good options if you want a ruby engagement ring with more of a warm, vintage feel.
For example, this gorgeous three-stone round cut ruby engagement ring features an 18k yellow gold setting. The elegant, warm color of the setting really complements the rich, dark red of the ruby.
Like other colored gemstones, they also look great in halo settings, which emphasize the rich color of the ruby center stone.
This article is about the mineral or gem. For other uses, see Ruby disambiguation. Natural ruby crystals from Winza , Tanzania.
Artificial ruby under a normal light top and under a green laser light bottom. Red light is emitted. Minerals portal. Archived from the original on March 21, Retrieved March 28, Colored Gemstones.
Gemstone Press. Archived from the original on May 2, Archived from the original on January 2, Archived from the original on April 26, Archived from the original on January 13, Modern Jeweler.
Archived from the original on January 31, Archived from the original on December 30, Retrieved December 23, Archived from the original on March 30, Retrieved March 30, Minerals: their constitution and origin.
Cambridge, U. Brunswick House Press. Bangkok, Thailand: Gemlab Inc. Zeitschrift der Deutschen Gemmologischen Gesellschaft in German. Deutschen Gemmologischen Gesellschaft.
GIA Global Dispatch. Gemological Institute of America. Fine-quality rubies over one carat are very rare and price goes up significantly as size increases.
Dazzling brilliance. Captivating color. Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
Citrine is the transparent, pale yellow to brownish orange variety of quartz. Back to gem encyclopedia Ruby Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.
Fine Mogok Ruby. Mixed Cut.