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More Information On Gemstones

About Gemstones

Gemstones Gemstones are mineral substances that have to be beautiful in terms of colors and the way they reflect light. Gems are rare and durable. Mineral gemstones are the majority of gems and are crystallized within the Earth's crust, formed at a high temperatures and pressures and brought to the Earth's surface by rising magma or by prolonged erosion. These processes form the mineral gemstone's internal structure and fixed chemical or organic compositions, which are produced by plants or animals. Synthetic gems are created in laboratories and have similar chemical properties to real gemstones.

Detail of Gemstones

The Amethyst

Amethyst The amethyst occurs in shades of purple, lilac, and mauve. This is the most valuable of the quartz gemstones group. Some Amethyst can be heat-treated to produce the yellow variety of quartz called Citrine. This type of gemstone is still used in some forms of natural healing as people believe that Amethyst has strong talismanic properties. It is named for the curing of "the sober mind against drunkenness", from the Greek word " amethystos". In traditional Chinese medicine, ground Amethyst is prescribed for stomach pain and bad dreams.

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Aquamarine

Aquamarine Aquamarine is the name of a precious gemstone that gets its name from its seawater color. In the late 19th century, sea blue and green varieties were the most popular. The blue ones are more valued today. There are deposits of Aquamarine in almost every continent of the world. The blue Aquamarine is also know as the sailor's gem ensuring safe passage across the sea, and in medieval times this stone was thought to reawaken the love of married couples after long separations.

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Cat's Eye or Chrysoberyl

Cat's Eye or Chrysoberyl Cat's Eye or Chrysoberyl is also know as Cymophane which is always cut en cabochon which makes the gems translucent in honey brown or apple green colors. As the precious stone of eyes' of the graceful cat, its value increases in proportion to the narrowness and intensity of its flash of light, which looks as it sounds and allegedly protects the owner against the "evil eye". In the west, Cat's Eye chrysoberyls were used in crystal healing. In India, this stone is also used medicinally particularly as remedy for cancer. Chrysoberyl comes originally from the Greek word meaning "golden" because it comes in many varieties of yellow, gold, honey or light green. It is one of the hardest stones (8.5 Moh's scale) and is particularly prized for jewelry. The interesting type of Chrysoberyls are alexandrite, which can change from green to red, mauve or brown depending on the light.

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Chrysoprase

Chrysoprase Chrysoprase is a bright-apple green chalcedony quartz resembling jadeite. However if you could look close enough you could see the difference in the microcrystalline structure and waxy appearance. This green precious stone is the most valuable of the chalcedonies-family gemstones. This gem is mostly used for carving and cut into cabochons.

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Topaz or Citrine

Topaz or Citrine Topaz or Citrine: The name "Topaz" comes from Sanskrit tapas, meaning "fires" because this precious stone usually comes in a variety of sunny yellow colors. However, the stone can also be heat-treated to produce more popular hues such pink topaz which is an irradiated form of the more common yellow. Today pink, blue and honey colors of Topaz are very rare and valuable. In history, Topaz was thought to cure madness if worn around the neck.

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Diamond

Diamond The Diamond is known as "the king of gems" since it is the most precious of gemstones. Diamonds are a form of carbon and are of the hardest mineral on earth. Diamonds occur in a range of colors such champagne, silver, purple, gold, rose and even black. Yet, the most popular is colorless. The Diamond is a symbol of love and fidelity and has been used in engagement rings since the 15th century.

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Emerald

Emerald The Emerald is a beautiful green and transparent gemstone that derives its color from the presence of chromium and vanadium. A hundred years ago, Emeralds were thought to possess healing powers especially for restoring eye sight. In renaissance times, Emeralds were exchanged among the aristocracy as symbols of friendship. It was believed that the stone would stay intact only if friendship lasted.

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Coral

Coral Coral comes in variations of red, pink, blue and white. Coral is a substance similar to pearls which is a calcium carbonate. Yet Coral is formed by the build up of skeletal remains of colonies of tiny marine animals and it grows in branch-like formations. Corals have been used in jewelry and carving for thousands of years. The deeper the colors, the more prized the Coral. In the16th century, people thought that a prig of red or white Coral could calm a raging tempest, as Coral allegedly cured madness and protected one against enchantments.

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Garnet

Garnet The Garnet comes in many colors of deep-red even green or violet and purple. These various colors of the Garnet gemstones family share similar cubic crystal structure and chemical composition. The name for Garnet comes from the Latin for pomegranate which has bright red, garnet-like seeds. In medieval time Garnets were thought to cure depression and protect one from bad dreams and relieved diseases of the liver as well as hemorrhages.

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Jade

Jade Jade comes from two distinct minerals: jadeite and nephrite. Jade has been carved for thousands of years. Jadeite is slightly harder and often appears dimpled when polished and comes in virtually every color while nephrite is a more common element in Jade that makes it soft enough to carve. Most Jade is green, yellow and white or sometimes purple. Jade is an extremely tough gemstone despite being 7 on scale of hardness. This is due to its structure which is a mass of tiny interlocking grains and fibers. In China, children wore small Jade amulets to prevent disease and people in the old days used to powder Jade and distilled it in dew water to calm the mind.

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Moonstone

Moonstone Moonstone derives its name from its blue-white sheen, the color of a silvery moon. It was once thought that the gem's luster waxed and waned just like the moon itself. Moonstones have always been used in jewelry by moon-worshipers. In reality, the stones' distinctive sheen comes from its structure of thin albite layers that create and attractive blue. Thicker layers create more of a hue and milky opalescence. In India, the Moonstone is believed to bring good luck and is considered sacred so it is the passion of lovers. The Romans thought that those who wore Moonstones would receive wisdom, wealth and even success in battle.

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Onyx

Onyx Onyx comes in variety of chalcedony quartz colors mostly in shinny black or many colors. It is a production of fossilized wood which make it very hard and durable. The stone has been carve for centuries or polished into beads of elegant jewelry that used to be popular in the 18th century; its shinny blackness reflects the sense of hope and renewal. North American Indian used to carve magical objects or animal of Onyx to attempt to influence the forces of nature, and in China, blackish Onyx is a symbol of winners.

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Opal

Opal The Opal is unlike other gemstones because it is non-crystalline and is formed from hardened silica gel. The Opal is known for its rainbow iridescence. The name Opal comes from Sanskrit of Upala, meaning "precious stone". Opals are found in fossilized shell, wood and bone. It is a carbon formed substance with shades of black, flashes of pale pinks, blues and greens. The play of the colors is caused by the diffraction of light of its closely packed silica spheres. Fire Opal is a soft gemstone of deep orange colors that are translucent or transparent and very sensitive to changes in temperatures, humidity and even light intensity. In Asia, the Opal is a symbol of hope.

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Peridot

Peridot The Peridot is rich in green colors as the name is given to gem-quality specimens of the mineral olivine which is derived from its characteristic olive-green colors. These green colors depend on iron content and it can be bottled green or yellowish green. The stone is usually cut as a pendeloque to create a darker and more favored hue. Moreover, Peridot has a strong double refraction, which means that you can often see a doubling of the back facets. Peridot is well known as the "evening emerald". The Egyptians claimed that Peridots glowed by night but were invisible by day. They believed the Peridot had the power to dispel the darkness and terrors of the nights.

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Red Jasper

Red Jasper Red Jasper comes from chalcedony quartz family which grows in reddish colored bands resembling desert landscape.

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Ruby

Ruby The Ruby comes in colors of classic deep rich red to shades of pink, purple or brown depending on the chemical contents of the gemstones. Rubies are second only to Diamonds in terms of hardness and this, along with the vibrancy of their colors, makes them highly prized for jewelry. The finest Rubies come from Myanmar (Burma) and Thailand. Rubies are traditionally given as a 40th wedding anniversary present and it's the precious stone for those born in July. Rubies are the gemstone of prophecy. In the old days people believed that a Ruby would darken when its wearer was in danger. In the 15th and 16th centuries, Rubies were thought to counteract poisons so were much in demand. Throughout history, Rubies were thought to bring back or restore youth and vitality when rubbed on the skin.

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Sapphires

Sapphires Sapphires come in a range of yellows, pinks and greens as well as the better-known blue variety. The blue ones are deemed holy as they are jewels of chastity. In its purest form, the Sapphire is colorless while traces of vanadium render it violet and different natural element structures contained in gemstones such as iron, titanium or chromium make the presence of Sapphires more pink, yellow, blue or dark green. Like Rubies, pink Sapphires are thought to ward off ill-health and misfortune when worn against the skin.

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Spinel

Spinel Spinel can be blue, yellow or red. The colors are created by various metallic impurities. The most popular Spinel is ruby red, which contains chromium and iron. However, pure Spinel is colorless or with a light pink mauve tinge. Spinel was recognized as a mineral only 150 years ago, prior to this it was classified as a Ruby and shared the Ruby's reputed medicinal and prophetic power. It was also used as a remedy for hemorrhages.

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Turquoise

Turquoise Turquoise has a rich and colorful history. To the Aztecs it was "the stone of God" and was used extensively in religious artifacts. In medieval Europe it was deemed a powerful talisman. Turquoise is formed in solid, grape-shape like masses and nodules, often containing dark veins. In China, Turquoise beads are often carved into a variety of animal shapes. The color of Turquoise is affected by heat, as well as by oils, cosmetics and perspiration, and when worn can go from blue to a dull green. So in order to avoid damage it is best to remove a Turquoise ring before washing the hands. Turquoise has always been considered lucky and able to safeguard or bring happiness to the wearer.

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Tourmaline

Tourmaline Tourmaline is usually presented as a long, three-side prism. Tourmalines come in a wide range of colors with many shades of red and dark blue and can even be colorless. Originally the name Tourmaline comes from the Greek word achroos, meaning without colors. However, many Tourmaline crystals are multicolored. Green Tourmaline is fairly common and is known as verdelite and dark brown Tourmalines are rich in magnesium, which can be lighten by heat-treatment. In 18th century a Dutch scientist claimed that a Tourmaline wrapped in silk and placed against the cheek of a feverish child would induce sleep.

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Zircon

Zircon Zircon is commonly found in variations of golden brown, reddish brown, honey color or even blues or greens depending on its impurity but the purest forms of Zircons are colorless. The name came from the Persian Zargun meaning "golden". Although they appear in a range of colors, many zircons are heated-treated to produce the popular blue or colorless varieties. In Roman times, golden Zircon stones were the most popular and most prized. All Zircons were deemed magical, in 14th century, they were popularly worn to safeguard one against illness and death.

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Amber

Amber Amber is formed from the fossilized resin of trees that lived million years ago and may contain plants and insects trapped within the sticky resin before it set. Amber is not as dense as synthetic and plastic resins and will float in salt water. Amber is known for producing an electrical charge when rubbed. Amber usually comes in golden brown, honey color or orange and has been used for jewelry and religious objects since prehistoric times. Since Amber is formed naturally and accidentally, the air bubbles and inclusions give Amber its characteristic mottled appearance and are not seen as flaws, yet they can be removed by boiling the fossil resin in oil. Amber is a soft gemstone and is easy to carve. Amber was believed to have talismanic properties.

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Pearls

Pearls Pearls, once viewed by Arabians as the tears of the Gods, are created by certain shellfish, mainly oysters and mussels. They form when an irritant such as grain of sand enters the shell. Layers and layers of calcium carbonate form around the irritant as an innate defense mechanism of the mollusk. It generally takes years to create a round bead of pearl. The rare and valuable "Natural Pearls" are formed as an accident of nature and not by human intervention. Pearls can be the classic creamy white color or multicolor and as dark as black depending on the oysters. Irregular shaped Pearls are known as Baroque Pearls. Pearls have long been used medicinally. They were thought to cure everything from fevers to stomach ulcers.

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Lapis quartz or Lapis Lazuli

Lapis quartz or Lapis Lazuli Lapis quartz or Lapis Lazuli is prized for its intense blue color. Lapis is made up of several minerals, but its main ingredient is lazurite. The gemstone contains many tiny crystals that make it an ideal material for carving. This precious stone of a rich dark blue or deep purple has been used in jewelry and carving and mullets for a thousand years. The name comes from Latin meaning "the blue stone". The Egyptians regarded Lapis as a heavenly stone and often used it on the statues of their gods and in burial masks as protection for the next life. Egyptians and Babylonians believe that Lapis could cure melancholy. Even today, Chinese traditional medicine uses Lapis to treat phlegm, congestion and spasms. Overall, Lapis jewelry is believed to be a good luck charm and protection against evil.

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