Friday, January 22, 2010
The Mozambique Ruby
The newest gemstone on the rough market is a red ruby from Mozambique. It comes in with a beautiful natural red color and it has amazing perfect crystals. The gemstones can be cut and carved and sold for many hundreds of dollars per stone or carat. Some of the big gemstone factories are buying this natural red corrundum ruby since it doesnt need any color treatment. This think this will be more accepted in the American and Japanese market, where for many years people have stayed away from the rubies due to color treatments. The good thing about this is the Gemstone factories are not adding color treatment to these stone but are still heating them to the melting point to cause the stone to become clear red transparent. This is the quality of high grade red ruby without colorization. The buyers are thus seeking higher prices for these stones. without as much of the color treatment. When tested the certification labs usually stay they have been heated with unknown chemical. SO the certificate will say Natural Ruby with heat treatments. This does not differentiate between what heating process as the gemstone cookers want to keep their recipe secret. The good thing is you can rest assured the new Mozambique Ruby has less of the chemical used on the previous ruby treatments on the market for the past 20 years. If you get the chance buy the rubies coming from Mozambique. I think at the current time they are the best quality on the market. Many other rubies and sapphires from Nigeria and Madagascar have many inclusions and need long heating process with unknown number of chemicals for dying the stone blue, yellow, or red.
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