Heating treatment performs on the stone with diffusing beryllium and irradiation to enhance the appearance of the stone. While heating these gemstones a proper care must be take otherwise, all the positive properties of stone will wash away. Yellow Sapphire is a colorful gemstone so in order to preserve the color property of yellow sapphire, it gives heat at the high temperature at 1500 c to 1800 c to enhance beauty and color brilliance of these stone. However, inclusion is not harmful if it performs to nurture the quality of a gemstone. It is very rare to find a yellow sapphire stone without any inclusion.

Though, Srilankan yellow sapphire is the purest yellow sapphire. However, it is very rare to obtain a stone without any external inclusion and impurity. Although, the colorless yellow sapphire stone is observing as the purest stone. Yellow Sapphire (Pukhraj) is solely pure stone without any impurity, but very hard to find a pure stone without any impurity. It is the second hardest mineral after diamond. On the hardness scale, it ranges 9.0 Mohs. It is a naturally occurring gemstone originates mainly from Aluminum Oxide (AI 2 O3) with gravity near about 3.99 to 4.00, refractive index territory is 1760-1768 to 1770-1779. Yellow Sapphire is related to the corundum family. However, due to heating and treatment properties, this stone encompasses a bit of negative hole or impurity either. Transparent:Ī yellow Sapphire stone should be highly transparent. Perhaps due to extensive heating, this stone becomes a bit dull, but the dull character of the yellow sapphire district between synthetic and pure yellow sapphire. Yellow Sapphire gemstone is high on clarity parameter. But due to the availability of synthetic yellow sapphire many fancy color yellow sapphire stones can now be cut in different shape such as round shape, oval shape, round shape etc. Yellow Sapphire is mostly cut in Oval shape.

Physical properties of Yellow Sapphire (Pukhraj) Stone: Cut:

Pale yellow color yellow sapphire stone is the best quality stone. It is a perfect gemstone look exquisite with its phenomenal luster. It is the hardest gemstone which is scaled on hardness scale 9 Moh (Moh scale) just slightly less from the diamond. Yellow Sapphire consists of corundum aluminum oxide find in rocks and alluvial deposit. Properties Of Yellow Sapphire: Physical, Chemical, Color & Heat Properties of Yellow Sapphire Gemstone:

Yellow sapphire