Star of India (gem)
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The Star of India is a 563.35- carat (112.67 g) star
sapphire Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide () with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. The name sapphire is derived via the Latin "sa ...
, one of the largest such gems in the world. It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in
Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
and is housed in the American Museum of Natural History in
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
. The milky quality of the stone is caused by the traces of the mineral
rutile Rutile is an oxide mineral composed of titanium dioxide (TiO2), the most common natural form of TiO2. Rarer polymorphs of TiO2 are known, including anatase, akaogiite, and brookite. Rutile has one of the highest refractive indices at visib ...
, which is also responsible for the star effect, known as asterism. The tiny fibers of the mineral, aligned in a three-fold pattern within the gem, reflect incoming light into the star pattern.


History

Mineralogist and Tiffany gem expert
George Kunz George Kunz (born July 5, 1947) is a former American football offensive lineman in the National Football League from 1969–1978 and 1980 with the Atlanta Falcons 1969–1974 and History of the Indianapolis Colts, Baltimore Colts 1975-1978 & 1 ...
(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 Exposition Universelle of 1900, better known in English as the 1900 Paris Exposition, was a world's fair held in Paris, France, from 14 April to 12 November 1900, to celebrate the achievements of the past century and to accelerate developmen ...
; the Star of India was among the stones Kunz procured. The Star of India is a huge blue star sapphire weighing 563.35 carats. It is cut en
cabochon A cabochon (; ) is a gemstone that has been shaped and polished, as opposed to faceted. The resulting form is usually a convex (rounded) obverse with a flat reverse. Cabochon was the default method of preparing gemstones before gemstone cutt ...
. A British Army officer brought it to London, where it was cut by Albert Ramsay around 1905. Morgan donated the Star of India along with the rest of the collection to the American Museum of Natural History. Apart from its Sri Lankan origin, the gem's history prior to its acquisition for this collection is unknown. Kunz wrote in 1913 that the Star of India "has a more or less indefinite historic record of some three centuries". On October 29, 1964, the famous golf-ball-sized stone was stolen, along with several other gems of note, including the Midnight Star, the
DeLong Star Ruby The DeLong Star Ruby, a oval cabochon star ruby, was discovered in Burma in the 1930s. It was sold by Martin Ehrmann to Edith Haggin DeLong for , who then donated it to the American Museum of Natural History in New York City in 1937. On Octobe ...
, and the Eagle Diamond. The thieves unlocked a bathroom window during museum open hours, climbed in that night, and found that the sapphire was the only gem in the collection protected by an alarm—and the battery for that was dead. The stones stolen were valued at more than $400,000. Within two days the culprits were arrested: Jack Roland Murphy (also known as "Murph the Surf"), Allan Kuhn and Roger Clark; however, the gems had already been handed off. In January 1965, in a bid for leniency, Kuhn led authorities to a bus locker in Miami where the uninsured Star of India and some of the other stolen stones were recovered.


See also

*
List of individual gemstones A number of gemstones have gained fame, either because of their size and beauty or because of the people who owned or wore them. A list of famous gemstones follows. Alexandrites * Smithsonian museums' Alexandrite, the largest cut alexandrit ...
*
List of sapphires by size This is a list of sapphires by size. Sapphire Sapphires are a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide () with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. It is ...


Notes


References

{{Named sapphires Individual sapphires American Museum of Natural History Gems of Sri Lanka Individual thefts