As we know that, the all Astrology Gemstones fall under the category of Amorphous and Crystalline. Glass and opal comes under the category of Amorphous Gemstone.

Blue sapphire, Yellow sapphire, Ruby, Diamond all come under the category of crystalline gemstones.
In this article we talk about the certification details of Yellow Sapphire

Yellow Sapphire or Pukhraj represents the largest and one of the most influential planets of the solar system – Jupiter. This is one of the most widely used gems to help achieve better financial status. The wearer may expect wealth, good health, name, honor and fame if the Gem suits him or her.

PHYSICAL PROPERTIES OF YELLOW SAPPHIRE
Sapphires are simply crystallized alumina (Al2O3) and in their pure form are devoid of color. Sapphires are found in various colors which include pink, blue, green, yellow, orange and white. In India, Yellow Sapphire is known as Pukhraj and Blue Sapphire is known as Neelam. It has a specific gravity of 3.99, mean refractive index (RI) 1.765 and Hardness of 9 on the Moh’s scale.

IDENTIFICATION OF YELLOW SAPPHIRE (PUKHRAJ)
The major quality indicators for a gemstone are its cut, color, clarity, carat weight, fluorescence and treatments. Natural Sapphires carry within them clear signs of slow crystallization. Some of the external elements sometimes remain preserved in the Gem which helps its identification.

Like all other precious gems it should have inclusions which should be visible to the naked eye or under magnification. Otherwise, it is a piece of glass or a synthetic substance. The inclusions are generally like ‘feathers’ or are like fingerprint impressions. Liquid inclusions, looking like lace is also sometimes visible. Synthetic Sapphires are very common in the market and many traders in order to earn fast money sell them as originals. These are very clear and under magnification show bubble like inclusions. Sometimes feather like inclusions have also seen, but they shine abnormally under light.

OCCURRENCE OF YELLOW SAPPHIRE STONE
Sapphires are found in India, Brazil, Sri Lanka, Russia, Thailand, Australia, U.S.A, U.K., Nepal, Mexico, Zambia and Nigeria. In India, Sapphires are found in Jammu. These are considered to be the best in the world. Few sapphires are also found in Orissa but they are not of very high quality.

So, are you planning to buy Certified Gemstones Online in India?

Before purchasing a gemstone, you should ask for a copy of its certification. This will help you in knowing how authentic the gemstone is and whether it has been examined genuinely at a laboratory of repute.

Visit www.gemkart.com and buy certified gemstones online in India at the most attractive prices.

Author's Bio: 

Sethi Sons started his retail store in 2003. Soli has always given customer satisfaction a lot of importance. He adds, "To me a gemstone is nothing short of an investment, which is why I assure that I provide a gemstone that might realise dreams and bring about positive changes in the customers life, apart from of course adding finesse to their looks and wardrobe.”