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2. 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]

3. 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 ...

4. Sapphire - Wikipedia

   en.wikipedia.org/wiki/Sapphire

   A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.

5. $60 million 'Pink Star' diamond to be auctioned by Sotheby's

   www.aol.com/finance/2017-03-20-60-million-pink...

   A 59.60-carat mixed cut diamond known as 'The Pink Star' will be auctioned next month by Sotheby's -- and the price tag will make your jaw drop.

6. Shane Company - Wikipedia

   en.wikipedia.org/wiki/Shane_Company

   Shane Company or Shane Co. is the largest privately owned jeweler in the United States. [1] The company is a direct diamond, ruby, and sapphire importer that operates 20 retail stores across the US, as well as their website, ShaneCo.com.

7. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   A gold, diamonds and sapphires red guilloché enamel "Boule de Genève", a type of pendant watch used as an accessory for women. An example of an object which is functional, artistic/decorative, marker of social status or a symbol of personal meaning. Humans have used jewellery for a number of different reasons: