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2. Black Star sapphire - Wikipedia

   en.wikipedia.org/wiki/Black_Star_sapphire

   Black star needles are perpendicular (cited above) meaning that the sides are dark. The flat face is a bright gold but loses it as soon as a dome is cut. [4] The Journal of gemmology mentions polysynthetic twinning (parallel lines). The star effect occurs in other sapphire colours and is often translucent.

3. Asterism (gemology) - Wikipedia

   en.wikipedia.org/wiki/Asterism_(gemology)

   The star-effect may be also caused by the inclusions of hematite. In black star sapphire hematite needles formed parallel to the faces of the second order prism produce asterism. Some star sapphires from Thailand contain both hematite and rutile needles forming a 12-ray star. [3] Star-stones were formerly regarded with much superstition. [1]

4. Black Star of Queensland - Wikipedia

   en.wikipedia.org/wiki/Black_Star_of_Queensland

   The Black Star sapphire is an oval-shaped gemstone cut as a cabochon like all other star sapphires. The center of the star is much bigger and brighter than normal star sapphires. The bright six-ray star is set in a completely black background. The beauty of the stone is further enhanced by its white gold setting. The large black stone is ...

5. List of sapphires by size - Wikipedia

   en.wikipedia.org/wiki/List_of_sapphires_by_size

   Star Blue Anonymous owner [3] Black Star of Queensland: Australia 1938 733 carats (146.6 g) Star Black Anonymous owner [4] Star of India: Sri Lanka 563.4 carats (112.68 g) Star Blue-gray American Museum of Natural History, New York [5] Queen Marie of Romania: Sri Lanka 478.68 carats (95.736 g) Cushion Blue Anonymous owner [6] Logan Sapphire ...

6. 'Antiques Roadshow': diamond and ruby jewelry worth a fortune

   www.aol.com/news/2014-08-12-antiques-roadshow...

   On "Antiques Roadshow" we took a trip back to 1998 when a woman brought in a gorgeous diamond and ruby jewelry collection she inherited from her great aunt, who was married to a congressman back ...

7. The 65 Best Leftover Cyber Monday Deals to Score ASAP ... - AOL

   www.aol.com/35-best-black-friday-deals-221400280...

   Mejuri. PureWow Fashion Editor Abby Hepworth gave us the 411 on lab-grown gems years ago. So, if you're thinking of buying this dazzling tennis bracelet made with lab-grown white sapphires (that ...

8. Star of India (gem) - Wikipedia

   en.wikipedia.org/wiki/Star_of_India_(gem)

   Mineralogist and Tiffany gem expert George Kunz (1856–1932) was commissioned by wealthy financier J. P. Morgan (1837–1913) to acquire an impressive gem collection for an exhibit at the Paris Exposition of 1900; the Star of India was among the stones Kunz procured. [4] The Star of India is a huge blue star sapphire weighing 563.35 carats.

9. Zendaya's Unique Engagement Ring Is This Year's Top ... - AOL

   www.aol.com/lifestyle/zendayas-unique-engagement...

   As for the ring, Deux Moi first reported that the dazzling rock is an east-west oval-shaped ring by London-based jewelry designer Jessica McCormack. At a whopping 5.02 carats, the oval-shaped ring ...