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{{Infobox mineral
| name =
| category = [[Mineraloid]]
| boxwidth =
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| image = Opal_Armband_800pix.jpg
| imagesize =
| caption = Perhiasan
| formula = [[Silika]] [[hidrat]]. SiO<sub>2</sub>·''n''H<sub>2</sub>O
| molweight =
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| references = <ref>{{Cite web|url=http://webmineral.com/data/Opal.shtml|title=Opal Mineral Data|website=webmineral.com}}</ref><ref>{{Cite web|url=http://mindat.org/min-3004.html|title=Opal: Mineral information, data and localities.|website=mindat.org}}</ref>
}}
[[Berkas:Opledefeu2.jpg|jmpl|Api
'''
Struktur dalam
== Opal terkenal ==
* [[Olympic Australis]], opal terbesar dan termahal di dunia<ref name=autogenerated1 />
* [[Andamooka Opal]], dipersembahkan untuk [[Ratu Elizabeth II]], juga dikenal sebagai Opal Ratu
* "The Burning of Troy", opal yang dipersembahkan kepada [[Joséphine de Beauharnais]] oleh [[Napoleon I dari Prancis]]<ref>{{cite book|author=Eckert, Allan W.|title=The world of opals|url=https://archive.org/details/worldofopals0000ecke|publisher=John Wiley & Sons|location=Chichester|year=1997|pages=|isbn=0-471-13397-3|oclc=|doi=|accessdate=}}</ref>
* [[Flame Queen Opal]]
* [[Halley's Comet Opal]], opal hitam tak diasah terbesar di dunia
* Muka jam di atas stan informasi di [[Grand Central Terminal]] Manhattan, New York
* 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 @ National Museum of Natural History<!-- Bot generated title -->|access-date=2011-05-14|archive-date=2011-06-07|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|dead-url=yes}}</ref>
* [[Galaxy Opal]] – opal asahan terbesar di dunia – 1992 The [http://i197.photobucket.com/albums/aa218/sodapop49/Galaxy%20Opal/GuinnessReport.jpg Guinness Book of Records]
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== Pranala luar ==
{{Commons category|Opal}}
* {{en}} [http://www.farlang.com/gemstones/opal Farlang opal Hist. References] {{Webarchive|url=https://web.archive.org/web/20101217021247/http://www.farlang.com/gemstones/opal |date=2010-12-17 }} Localities, anecdotes by [[Theophrastus]], [[Isaac Newton]], [[Georg Agricola]] etc.
* {{en}} [http://gemstone.org/gem-by-gem/english/opal.html ICA's Opal Page]: International Colored Stone Association
{{Perhiasan}}
{{Mineral silika}}
{{Authority control}}
[[Kategori:Batu permata]]
[[Kategori:Hidrat]]
[[Kategori:Simbol nasional Australia]]
[[Kategori:
[[Kategori:Silika polimorf]]
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