Uploaded October 2025 | Updated September 2026, 13 hours ago

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Opal specimens can tell us so much about opal formation and opal science. Not all opal is gem-quality, but it's all fascinating!

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Special thanks to Paul Sedawie and to Jenni Brammall from the Australian Opal Centre. Special thanks also to Shaun Galman and Elizabeth and Bob Smith.

Check out Paul Sedawie's previous video about a huge donation of opalised fossils: youtube.com/watch?v=vARKPdCsxzk

0:00 Introduction
1:39 Opal Mosaic
2:56 Swirls
3:48 Like a Lolly
4:38 Kittyhawk
5:26 A Huge Slab
6:20 Nature's Tease
7:16 A Great Example
7:57 Patreon - THANK YOU
8:31 Vegetation
8:59 "The Pearl"
9:49 "Pumice"
10:33 Seam Samples
11:28 Opal Stalactites
12:04 Hyalite Opal
12:47 Painted Lady
13:13 Pink Opal
13:48 Gypsum Boulder
14:49 Fairy Opal
15:46 Huge Big Lump
16:18 Opal Fusion
17:08 Fairy Opal
18:35 Conclusion
19:09 Acknowledgments

Follow the Australian Opal Centre on Facebook:
facebook.com/australianopalcentre

The Australian Opal Centre on the web:
australianopalcentre.com

Australian Opal Centre playlist: youtube.com/watch?v=KVFjMqftrOg&list=PLVN2FlE1njWsqBYlgRHDrpBLNAw5HwJDc

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#opal #blackopal #lightningridge