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The Star of India weighs in at just over 563 carats. It's the largest star sapphire in the world, and a star is visible on the front and back of the gem. Discovered in Sri Lanka about 300 years ago, it is now in the Museum of Natural History in New York.
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The Star of India weighs in at just over 563 carats. It's the largest star sapphire in the world, and a star is visible on the front and back of the gem. Discovered in Sri Lanka about 300 years ago, it is now in the Museum of Natural History in New York.

The Star of India weighs in at just over 563 carats. It's the largest star sapphire in the world, and a star is visible on the front and back of the gem. Discovered in Sri Lanka about 300 years ago, it is now in the Museum of Natural History in New York.

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Before the development of techniques to facet gemstones, the most valuable gems were sapphires, rubies and emeralds, not diamonds.

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Kaia Joyas: LAS GEMAS AZULES DE LA ORFEBRERIA Otros zafiros famosos incluyen al Estrella de Medianoche, un zafiro estrella negro de 116 quilates. Estrella de Asia se encuentra en el Museo Americano de Historia Natural.
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World Famous Gems.

10 Most Precious Gems in the World

Kaia Joyas: LAS GEMAS AZULES DE LA ORFEBRERIA Otros zafiros famosos incluyen al Estrella de Medianoche, un zafiro estrella negro de 116 quilates. Estrella de Asia se encuentra en el Museo Americano de Historia Natural.

Kaia Joyas: LAS GEMAS AZULES DE LA ORFEBRERIA  Otros zafiros famosos incluyen al Estrella de Medianoche, un zafiro estrella negro de 116 quilates.   Estrella de Asia se encuentra en el Museo Americano de Historia Natural.
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HUGE SIZE !!! CERTIFIED
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Black Star Sapphire (en cabochon, so gorgeous!

Black Star Sapphire - I had a ring made for him with this special stone.

Get a piece of jewelry with a star sapphire black or blue

damed I´ll want it !

HUGE SIZE !!! CERTIFIED

HUGE SIZE !!! CERTIFIED
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Star Ruby from Burma. Star rubies and sapphires are not as rare as you may think. Star rubies and star sapphires are gemstones that exhibit a star-like phenomenon known as asterism. Star gems contain intersecting needle-like inclusions (often the mineral rutile, a mineral composed primarily of comprised of titanium dioxide) that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source.  To cause a star, the rutile needles form in parallel and...
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Star Ruby from Burma. Star rubies and sapphires are not as rare as you may…

Star Ruby -- I want one!

I have a Star Sapphire from my mother and I wouldn't trade it for anything!

Star Ruby from Burma. Star rubies and sapphires are not as rare as you may think. Star rubies and star sapphires are gemstones that exhibit a star-like phenomenon known as asterism. Star gems contain intersecting needle-like inclusions (often the mineral rutile, a mineral composed primarily of comprised of titanium dioxide) that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source.  To cause a star, the rutile needles form in parallel and...

Star Ruby from Burma.  Star rubies and sapphires are not as rare as you may think.  Star rubies and star sapphires are gemstones that exhibit a star-like phenomenon known as asterism. Star gems contain intersecting needle-like inclusions (often the mineral rutile, a mineral composed primarily of comprised of titanium dioxide) that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source.  To cause a star, the rutile needles form in parallel…
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Black star sapphire
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Black Star Diopside (how they're supposed to look)

Sapphire Gemstones Sapphire, The September Birthstone White Gold Multi-Sapphire & Diamond Ring Genuine Blue Sapphire Loose

Black star sapphire

Black star sapphire
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Purple 12-ray star sapphire, 8.13 ct, 11.78 x 10.50 x 6.28 mm. Unlike this one, such stones often are glass-filled. For a brief report on the phenomenon, see “Twelve-rayed star sapphire of interest” by Garry DuToit, GIA Laboratory, Bangkok.
Find this Pin and more on Mineral & Gem ~ Sulfides & Oxides by Jean Fain.
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Purple star sapphire, ct, x x mm.

Gem News From Pala International

Purple 12-ray star sapphire, 8.13 ct, 11.78 x 10.50 x 6.28 mm. Unlike this one, such stones often are glass-filled. For a brief report on the phenomenon, see “Twelve-rayed star sapphire of interest” by Garry DuToit, GIA Laboratory, Bangkok.

Purple 12-ray star sapphire, 8.13 ct, 11.78 x 10.50 x 6.28 mm. Unlike this one, such stones often are glass-filled. For a brief report on the phenomenon, see “Twelve-rayed star sapphire of interest” by Garry DuToit, GIA Laboratory, Bangkok.
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Star Sapphire: Museum of Natural History, Washington D.C.
Find this Pin and more on Gems and Jewels by Dina Anderson.
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Star sapphire contain asterism - miniature rutile inclusions that reflect the light in a four or six point star effect.

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Star Sapphire: Museum of Natural History, Washington D.C.

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Purple Star Sapphire  Sri Lanka   This strong unusual sapphire is notable for its strong violet purple hue infrequently seen amongst sapphires. The asterism is both strong and central and the stone is of a suitable depth for ease of mounting.   Weighing approximately 3.79 carats and measuring 10.8 x 9.0 x 3.5mm

Purple Star Sapphire, Sri Lanka This unusual sapphire is notable for its violet purple hue infrequently seen amongst sapphires. The asterism is both strong and central.

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Thai Star Sapphire - Exporter and Manufacturer of Star Sapphire Gemstone in Ladprao, Krung Thep, Krung Thep, Thailand. Get deals on Star Sapphire Gemstone at Tradeindia.

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A blue-green Montana - star sapphire. Wouldn't two of those make the most remarkable dangle earrings! To see the star flittering about inside as the earrings moved with every movement of the head?

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