Uploaded January 2020 | Updated September 2026, 39 minutes ago

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There's opal, there's synthetic opal, and then there's this stuff. Minerals, biological materials and man-made substances that have similar visual properties to opal!

More photos and things that didn't make the video: idontunderstand.info/videos/stuff-that-looks-like-opal-geological-biological-amp-man-made-opal-impostors

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Labradorite on Wikipedia: https://en.wikipedia.org/wiki/Labrado...
Fire agate on Wikipedia: en.wikipedia.org/wiki/Fire_agate
Ammolite on Wikipedia: en.wikipedia.org/wiki/Ammolite
Weathered glass information from the Corning Museum of Glass: https://www.cmog.org/article/weathere...

00:00 Introduction
00:47 Play of Colour
01:11 Other Examples
03:54 Labradorite
05:04 Fire Agate
05:59 Ammolite
08:05 Glass
09:57 One Last Thing
11:19 End Credits

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The Australian Opal Centre on the web:
australianopalcentre.com

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IDU theme remixed by fraxyl: fraxyl.bandcamp.com
Other music by Russell Gawthorpe: soundcloud.com/datazoid

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#opal #notopal #australianopalcentre