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A curious girl investigates the cries she hears coming from a forbidden house across the street. created by Jack Stauber @jackstauber on IG ...
YouTube-Adult Swim
2020/10/31If you've ever wondered how to tell genuine opal from synthetics and lookalikes, then you're in luck! Today, Rob will teach you all about ...
YouTube-Gemstones
2023/10/19Opals are like horses. A good horse is never a " bad" colour!! LOL. Hi all at BOD and viewers. Greetings from Victoria, Australia.
YouTube-Black Opal Direct
5日前Using a little bit of chemistry it's possible to easily grow an opal gemstone, but there's one small catch...
YouTube-The Thought Emporium
2023/04/01Life on Outback Opal Hunters isn't always easy, but when the miners find the right kind of opal, the pay-off is big!
YouTube-Discovery Australia
2023/11/23Opal is one of the oldest, most beloved and most colourful gemstones. Here, we take a closer look at this remarkable treasure.
YouTube-Gemporia
2016/05/30Opal is a well known gemstone, but has many misunderstood and lesser known aspects. Opals are not just one gemstone, but a family of ...
YouTube-Your Average Jeweler
2021/06/11Join me for a mini documentary exploring the history behind the first commercial opal mine in the United States. We'll explore why there's ...
YouTube-Patrick Donohue
2023/06/28Incredible pieces of rough Andamooka Crystal Opal of this quality are becoming rarer to find. For that reason, I feel so privileged to have ...
YouTube-Black Opal Direct
2023/07/03Thanks for joining us — this is a rough opal cut you will not forget I spent two weeks observing this gem, drawing on it and planning the ...
YouTube-Black Opal Direct
2022/06/13Special Christmas deal! Get 68% off of a 2-year plan and get an 4 additional months free. Just go to https://nordvpn.org/thoughtemporium and ...
YouTube-The Thought Emporium
2020/12/04Ms. Opal Lee has walked for miles — literally and figuratively — to bring attention to Juneteenth. On Thursday, Ms. Lee visited the White ...
YouTube-The White House
2021/06/19Learn about precious opal and how it forms in this video from NOVA: Treasures of the Earth. Use this resource to stimulate thinking about ...
PBS Learning Media
2016/12/23Enjoy the journey as I measure, study, critique and figure out the best way to polish a cracker black opal out of this uncut gem.
YouTube-Black Opal Direct
2023/12/11For this video we interviewed a certified FGA, GIA gemologist. We will cover everything there is to know about opals, from prices, ...
YouTube-Dominique Flux
2022/04/26Nothing Ventured, Nothing Gained is pretty much the motto of any opal cutter. The risk can become somewhat calculated over time, ...
YouTube-Black Opal Direct
2024/02/26Welcome to Black Opal Direct, This was the best surprise ever. I did not expect this huge rough opal to turn into a gem.
YouTube-Black Opal Direct
2020/12/14How to Distinguish Natural vs Synthetic Opal Want an easy way to see the difference between natural and synthetic opals?
YouTube-International Gem Society
2022/12/09In this video, the top types of opal in the world are ranked and compared. Information is provided on how to identify each type.
YouTube-Pulitzer Opal
2020/10/02動画の見どころ1/13枚目 Start of Video
動画の見どころ2/13枚目 Andamooka Matrix Opal
動画の見どころ3/13枚目 Rocky Mountain Opal (Virgin Valley; Spencer, Idaho)
動画の見どころ4/13枚目 Australian White Opal
動画の見どころ5/13枚目 Ethiopian Welo Opal
動画の見どころ6/13枚目 Mexican Fire Opal
動画の見どころ7/13枚目 Brazilian Opal
動画の見どころ8/13枚目 Australian Crystal Opal
動画の見どころ9/13枚目 Australian Boulder Opal
動画の見どころ10/13枚目 Lightning Ridge Black Opal
動画の見どころ11/13枚目 Precious vs. Common Opal
動画の見どころ12/13枚目 Outtakes
動画の見どころ13/13枚目 Message from Pulitzer Opal
Australia is the opal capital of the world and home to the widest range of this unique gemstone. Take a look at some of the stunning and ...
YouTube-Discovery Australia
2020/06/06