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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. Rubies must be have good transparency to possess gem value.

Opaque or semi-opaque Rubies have relatively little value, even if they display asterism. The same Rutile inclusions that are responsible for asterism in certain Rubies can also decrease transparency and cause a hazy effect known as silk.

Though Ruby can be one the most expensive gemstones, it also comes in more dull opaque forms that are fairly inexpensive, and are often polished into cabochon s.

A unique gemstone form composed of opaque red Ruby in contrasting green Zoisite is well known from Tanzania, and is used as a minor gemstone and can be carved into ornaments.

The color of Ruby is usually caused by minute inclusion s of the metal chromium. These impurities are often responsible for causing a Ruby to fluorescent , which can be helpful in its identification.

Ruby is also pleochroic , and will sometimes display a lighter and more intense color when viewed at different angles.

Ruby is a tough and durable gem, and the only natural gemstone harder than Ruby is Diamond. Our experts can help you find the highest quality ruby jewelry for your budget.

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Find Out More. Star Ruby Caused by Inclusions. Michael Fried. Mike learned the diamond business from the ground-up at Leo Schachter Diamonds - one of the world's top diamond manufacturers.

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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. Cancel Add to Shopping List.

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Trending Categories. 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. February 16, Archived from the original on June 14, Retrieved January 22, Archived from the original on September 27, Retrieved August 19, Bibcode : Natur.

Archived from the original on August 19, Archived from the original on March 9, Retrieved February 28, Archived from the original on July 29, Retrieved November 8, Today, production from Thailand and Cambodia is negligible.

Occasionally, one might hear statements about how Cambodian stones are superior to those from across the border in Thailand.

However, bear in mind that the deposits are essentially one that straddles the border. Ruby, Thailand 2. Madagascar produces mainly fine blue and pink sapphires.

However, two important ruby deposits have also been discovered. Vatomandry is said to produce better-quality material, lighter and brighter more reminiscent of Myanmar , while the Andilamena material is somewhat darker and not as clean.

Rutile silk seen in some pieces suggests that star stones may be forthcoming. Most stones from both deposits are heat-treated.

Octagonal step-cut ruby, 2. Stones from Kenya and Tanzania are magnificent when clean, but facet-grade material is rare.

Like Myanmar, much of this material is strongly fluorescent. These deposits have produced no star stones. In , rubies were discovered in Montepuez, Mozambique.

This deposit is becoming an important source of rubies. Untreated 1. The Jegdalek deposit in Afghanistan has produced rubies that rank with fine Mogok stones, but facetable material is in short supply.

Many of these stones contain small areas of blue color. They are also strongly fluorescent. If this deposit ever produces clean material, the market will surely take notice.

Rubies on matrix , 1. Nepal is a relatively new source of rubies. A goat herder discovered ruby in the mountains in the s.

The clarity of Nepalese ruby is usually low to mid-commercial, although gemmy crystals do exist. Typically, Nepalese crystals weigh 5 carats or less and have heavy color zoning, from pure red to pinkish-purplish red.

Vietnam had significant discoveries north of Hanoi in and in Luc Yen in Between November and March , one Vietnamese deposit produced more than 3 million carats of ruby and pink sapphire.

Word spread quickly in the trade that the color of the finest material was comparable with that from Myanmar. However, unlike the Mogok material, the clarity of Vietnamese ruby is mostly lower, with few eye-clean gems.

Like Afghanistan rubies, some Vietnamese rubies have small areas of blue color. The best Vietnamese ruby approaches fine Mogok, but, since the early s, most have tended towards pink.

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 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] 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. Rubies can command the highest per-carat price of any colored stone. This makes ruby one of the most important gems in the colored stone market. In its purest form, the mineral corundum is colorless. Trace elements that become part of the mineral’s crystal structure cause variations in its color. 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. Ruby lasers are still in use. This makes ruby one of the most important gems in the colored stone market. These metals both complement fair or rosy skin tones very nicely. The fewer the number and the less obvious the imperfections, the more valuable the ruby is; unless there are no imperfections i. Arem, Ph. All Slots Mobil short, everything that works in their favor regarding diamonds is true here as well. A traditional favorite, a ruby engagement Rubies stone symbolizes love and passion. Inflatable Adult T-Rex Costume. Trink Roulette Regeln, Germany, ca Charles Potter Government Printer, Australia. Archived from the original on Real Money 30, 11/1/ · Burmese rubies. Rubies from Burma, now Myanmar, are commonly regarded as some of the world’s most desirable. Burmese rubies have a deep red color that stands out and can look particularly special. Thai rubies. Thai rubies have a deeper but less intense color than Burmese rubies and are typically considered second in quality. 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 loving-transformation.comarent rubies of large sizes are even rarer than Diamonds. Ruby is the red variety of the mineral Corundum. Sapphire, the other gem variety of Corundum, encompasses all colors of Corundum. Freedom, sincerely yours, Digital Bank.