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Know your Ruby
By:Erum.
The first clue to a true ruby's identity will obviously be its color. The name ruby is derived from the Latin 'ruber' meaning red. Corundum in its pure form is virtually colorless; the color red is induced due to the presence of impurities in the form of trace elements chromium or iron within the crystal structure of the gemstone. Ruby may range in color from red to purplish- or brownish red and deep pinkish-red. The most desired color for ruby is a deep red tinged with blue known traditionally as 'pigeon's blood' red though such terms are used increasingly rarely nowadays....
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Know Your Aquamarine
By:Erum.
With a name that literally means sea water, the most acceptable color for this stone is a clear transparent sky-blue. Much Aquamarine has a bluish-green color, and the color is caused due to the presence of iron unlike emerald in which chromium is the coloring agent....
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Opal Gallery
By:Mark.
Opal Gallery
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Know Your Emerald
By:Erum Ali Qureshi.
Common identification features of emerald are listed below along with those of its common synthetic stones, imitations and simulants. The information is intended to be a ready reference to give you a fair idea as to the identity of a gemstone on visual examination. Suggestions and queries from readers about the topic are encouraged....
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Imperial State Crown
By:Mark.
Imperial State Crown.
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Colored Diamonds
By:Neelanjana Ghosh.
Only 1 percent of the world's total diamond is colored, which makes these gems a rarity and their value priceless. Among all the colors of diamond found on earth red is probably the rarest and therefore most sought after. There is a collection of only thirty-five exquisite pieces of red diamonds across the world. Found by a farmer from Brazil, the Moussaieff Red diamond weighs 5.11 carats and is the largest red rock in the world. ...
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World Gemstone Map
By:Mark.
World Gemstone Map
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Quartz Pictures
By:Mark.
Gallery of Quartz Pictures.
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Gem Mining in Sri Lanka
By:Neelanjana Ghosh.
Sri Lanka very rightly known as the "Jewel Box" in the Indian Ocean is a treasure trove of unending collection of precious gems, and is one of the major hubs of gem mining in the world. The beautiful island in the shape of a pear is also famous for its tea and rubber plantations as well as for gem mines and alluvial gem gravels that have been producing the best quality gems for centuries. ...
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Tanzanite Properties
By:Neelanjana Ghosh.
The gemstone Tanzanite ranges in blue, violet and lavender shades and is a form of the mineral Zoisite which is a calcium aluminium silicate. The colour of Zoisite ranges from shades of greyish brown to white. In its raw stage Tanzanite is usually found brownish and very rarely, blue, violet or deep brown irregular sized crystals, often with broken ends. ...
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Tanzanite Mining
By:Neelanjana.
The Mererani or the Merelani Hills of Tanzania are the sole Tanzanite hub of the world. The sensationally attractive and new born mineral in the world of gemstones owes its birthplace to Tanzania where it was discovered way back in the 1960's. The Merelani Hill area located just 16 kms south of Kilimanjaro Airport is another 70kms south-east from the district of Arusha, situated at the foothills of Mount Kilimanjaro. Some also have the idea that Tanzanite was discovered in 1967 in the Umba Valley located in the Usambara Mountains in Tanzania. ...
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Diamond Clarity Enhancement
By:Shweta.
Diamond clarity refers to the degree of transparency in the gemstone. If the number of flaws is less it indicates higher clarity and vice versa. Gems with more than 80% clarity are very rare in nature. Today, with new modern techniques it is possible to remove or reduce flaws and boost the clarity of natural diamonds. Mechanical treatments are widely used to enhance diamond clarity by removing the unwanted external and internal flaws from the stone. ...
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Diamond Flaws
By:Shweta.
Diamonds flaws could be described as inclusions that hinder the beauty same as the black image in beautiful full moon. These are inside as well as outside the gemstone and there presence always pinches because these flaws make the dazzling stone imperfect. ...
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Ruby Pictures
By:Mark.
Ruby Pictures Gallery
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