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Natural Star Sapphire

Sapphires that display asterism are known as "stars" in the trade. They may occur in almost any color. The star is a result of the light reflecting of off of the silky crystallizations of rutile inside the stone.


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Star Sapphire Profile

Color information: Blue, green blue, violet, blue, black, brown, pink.
Refractive Index: 1.759-1.778
Chemical Composition: AL2O3
Hardness: 9
Density: 4.00
Crystal Group: Hexagonal
Ocurrence: Sri Lanka, Burma, India, East Africa, Ankarana-Madagascar, Thailand.
Sign of the Zodiac: N/A
Month of the year: N/A
Star Sapphire Star Sapphire
Madagascar star sapphires from Ankarana frequently display excellent asterism. Our photographs are taken with a fiber optic light above the stone. The stars will look like this in sunlight or under a spotlight. The denim blue color of Madagascar Star Sapphires can be quite even except for the crystal growth lines which prove that the stone is natural.

A great stone for a man's or women's ring, natural star sapphires are never clean. It is the silk inside them that accounts for the asterism and clean stars do not exist.

In terms of price and quality, blue star sapphires from Madagascar are incomparable in value. Ceylon and Burma both produce limited quantities of blue stars but although they may occasionally be better in quality, their prices are normally substantially higher.

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Chrysoberyl Single
From our finest gemstones collection
Chrysoberyl Single Oval Translucent
Size: 15.40 X 14.10 MM
Weight: 15.550 CTS
Shape: Oval
Clarity: Translucent
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Tsavorite Pair
limited time offer, ref# YGG127ab
Tsavorite Pair Oval Moderately included
Size: 4.80 X 4.20 MM
Weight: 1.020 CTS
Shape: Oval
Clarity: Moderately included
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Today’s Trade/
Best Selling Gems:
Sapphire Sapphire
669 Sapphire ’s available
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Spinel Spinel
274 Spinel ’s available
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Tanzanite Tanzanite
184 Tanzanite ’s available
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Alexandrite Alexandrite
252 Alexandrite ’s available
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Zircon Zircon
236 Zircon ’s available
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Gemstone Variety: Hits Index
Going Up Sapphire +257 +0.0%
average price USD 320.33 per item
Going Down Alexandrite -115 +-0.0%
average price USD 1973.64 per item
Going Down Tsavorite -160 +-0.0%
average price USD 191.72 per item
Going Up Spinel +170 +0.0%
average price USD 561.33 per item
Going Up Diamond +192 +0.0%
average price USD 17870.43 per item
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