Blue Sapphire
The cost of natural sapphires varies depending on their color, clarity, size, cut, and overall quality.
Un-heated natural stones are somewhat rare and will often be sold accompanied by a certificate from an independent gemological laboratory attesting to “no evidence of heat treatment”.
BLUE SAPPHIRE
Color | White, Blue, Green, Yellow, Orange, Pink, Multicolored |
Hardness | 9 |
Refractive Index | 1.76 – 1.77 |
SG | 3.9 – 4.1 |
Double Refraction | .0008 |
Luster | Vitreous to adamantine |
Mineral Class | Corundum |
Found In: Blue sapphire gemstones are mostly found in Sri Lanka, Madagascar, Kashmir and Burma . They are also found in India,Australia,Thailand (Pailin and Kanchnaburi), Tanzania, Vietnam and Russia.
Characteristic: Blue Sapphire Gemstone a considerable sparkle and might display different colors on viewing from different angles. They also have secondary hues like violet and purple.
Blue Sapphire Facts
Blue sapphire belongs to the mineral species corundum. The mineral corundum is composed only of aluminum and oxygen, and it requires a growth environment that’s free of silicon. It can be a pure blue or ranges from greenish blue to violetish blue. Both blue and fancy sapphires come from a variety of exotic sources including Madagascar, Tanzania, Sri Lanka, Myanmar, and Australia. Good Quality Blue Sapphires are most expensive & desirable among all color sapphires.
Blue Sapphires Sources
In present times, Ceylon (Sri Lanka) has been a major source of Blue Sapphire Gemstones. Blue Sapphires from Kashmir are considered best & most premium. But Kashmir Sapphires are very rare and are generally available in smaller sizes. Kashmir mines are exhausted and therefore most of the sapphires of Kashmir origin have become extremely rare. Sapphires of Thailand origin are quite popular these days because of the affordability and good Quality. Bangkok (Thailand) Sapphires are slightly heated to enhance their color & transparency. First-Degree or Slight heating in Sapphires is considered acceptable by trade people as well as the astrologers. Any other Treatment or enhancement is not acceptable in Sapphires.
What is the Price of Blue Sapphire Gemstone?
Pricing of Blue Sapphires depends majorly on its: Color, Transparency, Luster and Cutting (symmetry). A Good Quality Blue Sapphire should have Proper color without any other color-tinge. There should be good transparency in the stone to allow light and energy to pass through. It should have a Good Luster along with symmetrical cutting. The Popular shapes of Blue Sapphires are Oval and Cushion shape. Blue sapphire is one of the most expensive gemstones and when you buy blue sapphire online, you may get to see attractive deals.