Editing Opal (section)

==Examples ==
* The [[Olympic Australis]], the world's largest and most valuable gem opal, found in [[Coober Pedy]]<ref>Leechman, F; ''The opal book'', University of California Press, 1961</ref>
* The [[Andamooka Opal]], presented to [[Elizabeth II|Queen Elizabeth II]], also known as the Queen's Opal
* The [[Addyman plesiosaur]] from Andamooka, "the finest known opalised skeleton on Earth"<ref name="samuseum.sa.gov.au"/>
* The Burning of Troy, the now-lost opal presented to [[Joséphine de Beauharnais]] by [[Napoleon&nbsp;I of France]] and the first named opal<ref>{{cite book |author-link=Allan W. Eckert|first=Allan W.|last=Eckert |title=The World of Opals |publisher=John Wiley & Sons |location=Chichester |year=1997 |pages=67, 126 |isbn=978-0-471-13397-1 }}</ref>
* The [[Flame Queen Opal]]
* Opal cameo (jewellery-case) of a profile head of a helmeted warrior, attributed to Wilhelm Schmidt<ref>{{Cite web |title=cameo; jewellery-case |url=https://www.britishmuseum.org/collection/object/H_1978-1002-747-a-b |access-date=7 January 2024 |website=The British Museum }}</ref>
* The [[Halley's Comet Opal]], the world's largest uncut black opal
* Although the clock faces above the information stand in [[Grand Central Terminal]] in New York City are often said to be opal, they are in fact [[milk glass|opalescent glass]]
* The Roebling Opal, Smithsonian Institution<ref>{{cite web |url=http://www.mnh.si.edu/earth/text/dynamicearth/6_0_0_GeoGallery/geogallery_specimen.cfm?SpecimenID=4038&categoryID=1&categoryName=Gems&browseType=name |title=The Dynamic Earth |publisher=National Museum of Natural History |access-date=8 October 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110607081210/http://www.mnh.si.edu/earth/text/dynamicearth/6_0_0_GeoGallery/geogallery_specimen.cfm?SpecimenID=4038&categoryID=1&categoryName=Gems&browseType=name |archive-date=7 June 2011 |df=dmy-all }}</ref>
* The [[Galaxy Opal]], listed as the "World's Largest Polished Opal" in the 1992 ''Guinness Book of Records''<ref>{{cite book |title="The Guinness Book of Records 1993 |date=October 1992 |isbn=978-0-85112-978-5 |url=https://books.google.com/books?id=oqoOYFaIIigC&q=galaxy+opal+ |page=22 |url-status=live |archive-url=https://web.archive.org/web/20160826130908/https://books.google.com/books?id=oqoOYFaIIigC&dq=galaxy+opal&q=galaxy+opal+ |archive-date=26 August 2016 |df=dmy-all |last1=Guinness |first1=Medd |publisher=Guinness }}</ref>
* The Rainbow Virgin, "the finest crystal opal specimen ever unearthed"<ref>{{cite news|url=http://www.abc.net.au/news/2015-08-02/million-dollar-opal-rainbow-virgin-on-display-in-adelaide-museum/6666344?section=sa|title=Million-dollar opal Rainbow Virgin to go on display at SA exhibition celebrating centenary|website=ABC News|date=2 August 2015|access-date=13 January 2016|url-status=live|archive-url=https://web.archive.org/web/20171217044656/http://www.abc.net.au/news/2015-08-02/million-dollar-opal-rainbow-virgin-on-display-in-adelaide-museum/6666344?section=sa|archive-date=17 December 2017|df=dmy-all}}</ref><ref>{{cite web|url=http://www.samuseum.sa.gov.au/explore/exhibitions/opals/opals-media-releases|publisher=South Australian Museum|title=Opals media releases|access-date=13 January 2016|url-status=live|archive-url=https://web.archive.org/web/20151229110935/http://www.samuseum.sa.gov.au/explore/exhibitions/opals/opals-media-releases|archive-date=29 December 2015|df=dmy-all}}</ref><ref name="SAM media release 17 May 2017">{{cite web|url=http://www.samuseum.sa.gov.au/media/53865/4-million-worth-of-the-south-australian-museums-opal-collection-for-display-in-qatar|publisher=South Australian Museum|title=$4 million worth of the South Australian Museum's opal collection for display in Qatar|access-date=7 July 2017|url-status=live|archive-url=https://web.archive.org/web/20171217044656/http://www.samuseum.sa.gov.au/media/53865/4-million-worth-of-the-south-australian-museums-opal-collection-for-display-in-qatar|archive-date=17 December 2017|df=dmy-all}}</ref>
*The Sea of Opal, the largest black opal in the world<ref>{{cite web |url=http://www.geologypage.com/2016/10/largest-black-opal-world.html |title=Largest black opal in the world |access-date=2017-03-18 |url-status=live |archive-url=https://web.archive.org/web/20170319114003/http://www.geologypage.com/2016/10/largest-black-opal-world.html |archive-date=19 March 2017 |df=dmy-all |date=2016-10-25 }}</ref>
*The [[Fire of Australia opal|Fire of Australia]], assumed to be "the finest uncut opal in existence"<ref name="SAM media release 17 May 2017" /><ref>{{cite web|url=http://www.samuseum.sa.gov.au/media/53865/worlds-finest-piece-of-uncut-opal-finds-new-home-at-the-south-australian-museum|publisher=South Australian Museum|title=World's finest piece of uncut opal finds new home at the South Australian Museum|access-date=7 July 2017|url-status=live|archive-url=https://web.archive.org/web/20170626033952/https://www.samuseum.sa.gov.au/media/53865/worlds-finest-piece-of-uncut-opal-finds-new-home-at-the-south-australian-museum|archive-date=26 June 2017|df=dmy-all}}</ref>
*[[Beverly the Bug]], the first known example of an opal with an insect [[Inclusion (mineral)|inclusion]]