Editing Hope Diamond (section)

==Classification==
[[File:The Hope Diamond - SIA.jpg|thumb|alt=Picture of a diamond.|The Hope Diamond in 1974.]]

The Hope Diamond is a large, {{convert|45.52|carat|g oz|adj=on}},{{efn|The diamond's weight was formerly thought to be {{convert|44+3/8|carat|g|2}},<ref name=twsI44jj/> but it was re-weighed in 1974 to confirm as {{convert|45.52|carat|g|2}}.<ref name="si.edu" />}}<ref name="nyt">{{Cite news |last=Hevesi |first=Dennis |date=April 6, 2008 |title=George Switzer, 92, Dies; Started a Gem Treasury |work=[[New York Times]] |url=https://www.nytimes.com/2008/04/06/us/06SWITZER.html |access-date=April 9, 2008}}</ref><ref name=twsI44hh/><ref name="twsI44kk">{{Cite news |last1=David Beresford |last2=Lee Glendinning |date=August 28, 2007 |title=Miners unearth world's biggest diamond |work=The Guardian |location=London |url=https://www.theguardian.com/world/2007/aug/28/southafrica.davidberesford |access-date=July 9, 2011 |quote=The world's biggest diamond, believed to be twice the size of the Cullinan, has been discovered in the North-West Province of South Africa.... The Hope Diamond is a large, deep blue diamond, originating perhaps in [[India]]. It is legendary for the curse it supposedly puts on whoever possesses it. Previous owners include Kings Louis XV and XVI and Marie Antoinette.}}</ref> deep-blue [[diamond]], studded in a pendant ''Toison d ’or''.<ref name="McCabe" /> It is a [[Shades of blue|dark greyish-blue]] color under ordinary light due to trace amounts of [[boron]] within its crystal structure, and it exhibits a red [[phosphorescence]] under exposure to [[ultraviolet]] light.<ref>[https://abcnews.go.com/Technology/wireStory?id=4099419 ''UV Light Makes Hope Diamond Glow Red'']; Schmid, Randolph E.; [[ABC News (United States)|ABC News]]; text= "The diamond glows only after the light has been switched off ... the glow can last for anything up to 2 minutes..."; January 7, 2008</ref><ref>[http://newsdesk.si.edu/images_full/images/museums/nmnh/Hope_Diamond/red%20hope%20diamond.jpg ''The Hope Diamond phosphoresces a fiery red color when exposed to ultraviolet light''] {{Webarchive|url=https://web.archive.org/web/20201212174734/http://www.news/ |date=December 12, 2020 }}; Hatelberg, John Nels; Smithsonian Institution.</ref> It is classified as a [[Diamond type|type IIb diamond]].

The Hope Diamond is currently housed in the [[National Gem and Mineral collection]] at the National Museum of Natural History in Washington, D.C.<ref>{{Cite web |title=Hope Diamond |url=https://www.si.edu/object/hope-diamond%3Anmnhmineralsciences_1001299 |access-date=2022-01-11 |website=Smithsonian Institution |language=en}}</ref> It has changed hands numerous times on its way from [[Hyderabad]], India, to France, Great Britain, and the United States, where it is on public display. It has been described as the "most famous diamond in the world".<ref name="twsI34">{{Cite news |last=Glenn Osten Anderson – Dr. Jeffrey Post (Smithsonian) |date=October 2, 2009 |title=The Hope Diamond revealed: The Smithsonian Institution in Washington displays the Hope Diamond without a setting for the first time in history |work=The Guardian |location=London |url=https://www.theguardian.com/culture/video/2009/oct/02/hope-diamond-smithsonian-washington-setting |access-date=July 9, 2011 |quote=(video)}}</ref>