Yellow Sapphire / Pukhraj Stone
The Pukhraj Stone, also known as Yellow Sapphire is a yellow color gemstone – belongs to the corundum mineral family. Sometimes it also referred as the twin of Manik and Neelam. It is linked to the planet Jupiter and is for people born in September. In the market maximum duplication happens in this stone.
Such as Neelam stone, which can cause trouble for people not well-suited to them, yellow sapphire can be worn without hesitation.
Synthetic,Duplicates,Copy
Synthetic yellow sapphire, chrysoberyl, citrine, topaz, yellow beryl, hessonite garnet, sillimanite, synthetic cubic zirconia, etc.
Buying Guide-How to value
Color;
Color is the single most essential element in determining its price. Its hue is more significant than its clarity. Superior gemstone values greatly vary with slight color changes. Pukhraj stones with highly saturated medium or medium-dark yellow tones are the best. Bright lemon yellow, brilliant yellow, and deep Ceylon yellow are all lovely hues.
Inclusion;
Pukhraj is rarely found flawless. Even the most costly might have minor inclusions. Significant or even faint natural inclusions like feathers, color zoning, three-directional silk needles, and crystals are commonly seen in this. The cost of a pukhraj varies due to black inclusions, feathers, and natural cracks.
Cut;
It is usually cut into an oval shape. It is to preserve maximum weight and obtain a high-carat gemstone. Other common forms are round cushions and emerald cuts. Pears and hearts are also famous.
Carat Weight;
The most relevant factor in price is the price per carat. The price per carat grows as the size increases. The price per carat also depends on the treatment of the stone. Its price per carat goes from around Rs. 1300 to Rs. 1 lakh and above. A large pukhraj in good condition with a brilliant golden yellow hue is rare.
Origin place or source country
Pukhraj Stone is found in various parts of the world, such as India, Brazil, Sri Lanka, Thailand, Australia, the UK, and Nepal. Some of the finest quality pukhraj is found in the Ceylon mines of Sri Lanka. In India, it comes from Jammu. A few pukhraj stones are also found in the state of Orissa, but they are not of very high quality.
Physical properties/chemical composition
The chemical composition of Pukhraj stone is AI2 O3, and its hardness is 9 according to the Mohs scale. The specific gravity (S.G.) ranges between 3.98 and 4, and the refractive index (R.I.) lies between 1.76 and 1.77.