How is Opal formed and Mined? Published 2021-04-20 Download video MP4 360p Download video MP4 720p Recommendations 12:49 MOST EXPENSIVE OPALS - RANKED! 15:30 OPAL :Phenomenal gemstones explained. What are the different opals and what makes them unique(2021) 24:41 Opalised Fossils: The Paul Sedawie Collection - Australian Opal Centre, Lightning Ridge 09:58 The Cheals Find $200,000 Of Opal In A Single Haul! | Outback Opal Hunters 44:53 We go under the earth to learn how to find opal in a mine 06:35 How OPAL FORMS & GETS ITS COLOR? 17:08 PLATINUM Documentary: Mining, Science and History 12:45 How To Find Opals! 10:34 Lesson 1 - Where Does Gold Come From? Technical Level: Basic 51:28 Der Opal von Australien Dokumentarfilm von Patrick Voillot 27:11 SECRETS of BOULDER OPAL: An Aussie Miner Tells His Tale 15:00 How to Mine for Opals 19:26 RARE GEMS on Pawn Stars 10:34 I FOUND the BLACK OPAL MOTHER LODE! Lightning Ridge 14:02 Wildfire Opal Found While Working Underground! 35:27 How To Find Gold: Ten Natural Geologic Indicator Hacks 09:58 The Opal Whisperers Find $69,000 Worth Of Opal Nuts | Outback Opal Hunters 18:07 This cut made National News! Cutting RARE Black Opal, the heat is on Direct from the mine. 20:37 REOPENED Lost Mine - 200+ Year Old Mine FOUND ~ First eyes to see after 200 years 20:06 15 Gemstones More Expensive Than Diamonds #2 Similar videos 06:37 Why Black Opal Is So Expensive | So Expensive 06:45 The Story of Opal 00:41 How Does Opal Form? 💎 04:39 How Precious Opal Forms; Slovakia's Opal Mines 02:36 Origin and Formation of Opals 26:16 Can you GROW an Opal? 04:21 A Brief History of the Royal Peacock Opal Mine 16:43 Top 10 | Most Beautiful and Fascinating Opals Around the World 11:01 How to MINE OPAL gems in the OUTBACK - Smarter Every Day 164 05:29 Opal Miners Find $8000 Worth Of Crystal Boulder Opal! | Outback Opal Hunters 08:51 Opal Mining In America: How To Find Rare Opal 24:17 Explore the Royal Peacock Opal Mine / OPEN TO PUBLIC!! 01:49 PHENOMENA - The Welo Opal of Ethiopia 08:09 The Opal Whisperers Find LITERALLY The BIGGEST Opal In Outback Opal Hunters' History! 08:21 HUGE! 11,000 carat uncut gem opal gets carved to expose the top quality colors inside 33:42 Opal Miner Hits Underground Cascade Of Dirt Filled With Thousands Of Dollars Worth Of Gems! 08:16 RIDICULOUSLY Expensive Opals More results