Ruby - Sapphire - Gemstones

Some Rubies show a wonderful silky shine, the so-called "silk” of the Ruby. The reason for this phenomenon are finest rutilum needles. And now and then we will come across one of the very scarce Star Rubies. Again the rutilum mineral is involved here: it is embedded asterisk-shaped within the Ruby thus causing the charming light effect which is termed "Asterism” by the experts. If such Rubies are cut as half-dome shaped cabochons, this will result in six-ray stars which seem to magically glide across the surface of the moving stones. Star Rubies are expensive rarities Their value is assessed according to beauty and attractive colour, while transparency is secondary. Fine Star Rubies, however, should always display rays which are completely shaped including the rounding, and the stars should be situated right in the centre. Ruby is the red variety of the corundum mineral, one of the hardest minerals on Earth which also includes Sapphire. Pure corundum is colourless. Slight traces of the colour creating elements such as chrome, iron, titanium or vanadium are responsible for the colour. These gemstones show an excellent hardness. On the Moh’s Scale they achieve a hardness of 9, second only to diamonds. And only red corundum may be called Ruby, any other colour is denominate as Sapphires. The close relationship of Ruby and Sapphire has been known since the beginning of the 19th century. Up to that time, also red Garnets or Spinells were thought to be Rubies – and due to this misclassification the so-called "Black Ruby” as well as the "Timur Ruby” decorating the British Crown Jewels are probably actually no Rubies at all, but Spinells.
Great "Gemstone" sites

 

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Gemstone


1. http://www.gemstonesgift.com
Unique gifts for design interior. Gemstone pictures, jewelry boxes, gemstone jewelry, cigar humidors, corporate gifts, vases, candelabrums, candle holders from semi precious gemstones. Handicraft.
http://www.gemstonesgift.com/


2. http://www.samsongems.com
Samson Gems & Investment Company is a privately owned enterprise, incorporated and licensed by the government to supply gemstones and minerals on the open market. We have been operating for many years now efficiently serving the gem industry by providing gemstones and minerals to our clients directly from our mines in Nigeria and from other locations in Africa. Our customers are wholesalers, lapidaries, jewelers, retailers, collectors, and faceters from international locations around the globe, including Asia, Europe, Africa, the Americas and the United States and Canada. Having reached the hallmark of excellence by providing the highest quality rough gemstones and minerals to the international community, Samson Gems is truly the jewel of the gem industry. The strength of our foundation is integrity and our highest priority is our customers? complete satisfaction. Our customer-friendly approach to service is perhaps the most admired in the whole of Africa and, is a primary reason why those who do business with us choose to continue this exciting business relationship. I invite you ? come, join us ? let us play with gems together! Oladapo O Samson, CEO/Owner Largest gemdealer/supplier/miner in Nigeria and Africa gemstone,rough,nigeria,stones,rough gemstone,cuts in nigeria ,nigeria, gemsociety,facetrough,dealers,minerals,suppliers,largest gemdealer/miner,Tourmaline,Aquamarine,Garnet,Topaz,Kunzite,Paraiba,Oyo,Amethyst,Miners,Specimen,Jos,Plateau,Honest,gem expert,mining company,investments,carvings,cabbings,beads,mineral specimens,Beryl,Sapphire,zircon,lapidary,jewelry,diamonds,cuts,paintings,antiques,wholesalers,cheapest,expensive,rare,african gemstones,pendants,abuja,ilorin,idoukou,gemology,aare,antam,corundum
http://www.samsongems.com/


3. http://www.semi-precious-stone.com/
Directory of wholesale suppliers of semi precious stones and gemstones including chrysoberyl, amber, garnet, topaz, agate, opal, amethyst, citrine etc.
http://www.semi-precious-stone.com/


4. http://www.gem-info.com
Search Directory Page
http://www.gem-info.com/


5. http://www.gemstone.de
Discover and shop the world of fine colored gemstones at Forum Gemstone.de, Virtual Gemstone Museum, Gemstone Information Database, Gem-Chat, Free classified adds
http://www.gemstone.de/


6. http://www.gemstone-enterprises.com
cheap flights to alicante, malaga, faro, tenerife, lanzarote, palma and other europe flight destinations from the UK by Gemstone Travel
http://www.gemstonetravel.com/


7. http://www.minerals.net
An interactive reference guide to rocks, minerals, and gemstones.
http://www.minerals.net/


8. http://www.siamgemstone.com
siam gemstone jewely import export
http://www.siamgemstone.com/


9. http://www.artistanbul.biz/allgrades.htm
ANATOLIAN GEMS from ARTISTANBUL T&M
http://www.artistanbul.biz/allgrades.htm

 

For a long time India was considered as the classical country of Rubies. The literature of India contains a rich and varied knowledge collected and handed down for over two thousand years. Even the term "corundum” which we use today is derived from the Sanskrit word "kuruvinda”. In the Sanskrit language Ruby is called "ratnaraj”, which does in fact translate as "King of Gemstones”. And it was a royal welcome indeed which used to be prepared for this King of Gemstones: Whenever a spectacular Ruby crystal was found, the emperor sent out his notables to meet the precious gemstone and welcome it in appropriate style. Today Rubies decorate the insignia of many Royal Houses. But are they really all Rubies? Read on to find out more !
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Which colour would you spontaneously associate with love and vividness, passion and power? Obviously this will evoke the colour red. Red symbolizes love, it emanates warmth and a strong sense of life. Red is also the colour of Ruby, the King of gemstones. After all, in the fascinating realm of gemstones rubies are the generally accepted emperors.