Opal mines in the us

Red Earth Opal Mine Tour. 100 The Blocks, White Cliffs 2836. Since the 1890s, people have flocked to White Cliffs in the hope of finding their fortune. With Red Earth, you can go more than 13.5m beneath the ground into a working opal mine within the historic diggings. See how miners are still searching for these glittering gems using modern ...

Opal mines in the us. OPAL HILL is a 20.66-acre active mining claim in Riverside, California owned by Christopher H Rose.. Ownership and use of this claim is overseen by the Bureau of Land Management's Palm Springs/South Coast Field Office under the serial number CAMC312311. The last action for this claim occurred on August 24, 2020.

Nov 10, 2016 · Opal fields can be found around the shores of this prehistoric ocean, once the province of giant reptiles. Opal mining towns. Four towns in particular – Coober Pedy, Andamooka, White Cliffs and Lightning Ridge – are synonymous with opal mining, and all have stark landscapes, pockmarked with shafts and mullock heaps.

There are also some small opal mines in Morelos, Durango, Chihuahua, Baja California, Guanajuato, Puebla, Michoacán, and Estado de México. Other locations Brazilian opal. Another source of white base opal or creamy opal in the United States is Spencer, Idaho. A high percentage of the opal found there occurs in thin layers.The United States. Arizona. Deposit #USGS10210545; Arizona Blue Fire Opal Gemstone Mine Tumacacori, Arizona. 31.4918°N 111.1700°W Overview ... Mine Overview. The Arizona Blue Fire Opal Gemstone Mine is located in the vicinity of Tumacacori, Arizona, within the expansive Coronado National Forest. This mine utilizes surface mining techniques to ...This 1892 photo shows an opal mine located seven miles northwest of Moscow on Mission Flats. ... The traditional pan that many of us picture when we think of frontier miners was used to find gold ...Or mine some gemstones of your own (they're yours to keep!) at the Royal Peacock Opal Mine in Winnemucca. In the 1990s, one lucky soul dug up a 130-pound opal known as the "Gingko Log.". It ...An opal is a 'gemstone' - that is, a mineral valued for its beauty. Gemstones are most often used in jewellery and examples include diamonds, rubies, emeralds, sapphires, jade, opals and amethysts. Gems generally get their colour because of certain metals contained in the mineral (for example purple amethyst is quartz containing tiny …Join me for a mini documentary exploring the history behind the first commercial opal mine in the United States. We'll explore why there's opal in Washington...

Opal Prospecting Methods. Once you find an opal field, you need to know where to open a mine. Typically, this means digging a hole to the opal-bearing strata and searching for the gem in this layer. If there's no opal, you can move on to the next hole without too much cost. However, new geophysical techniques can show you exactly where to dig ...A site of gemstone discovery since 1912, the Royal Peacock Opal Mine is best known for the black fire opal, a dark stone flecked with vivid color that is the official …Opal miners primarily find Australian opals in several regions across the country. The most famous opal-producing areas include: Lightning Ridge, New South Wales: Lightning Ridge is perhaps the most renowned opal mining area in Australia and is famous for its black opals, known for their dark body tone and vibrant colors. It's located in northwestern New South Wales.In 2013, yet another source was discovered in welo, at the stayish mine near the town of Gashena. This discovery has yielded mostly black opal, along with some white opal. It is set in distinct opal-bearing layer in a mountainous area at an altitude of around from 2,900-3,150 meters. Northeast part and approximately 684 KM from Addis Ababa.Catch the Opal Bug as you fossick for Georgie's lost treasure. Visitors VENTURE UNDERGROUND - where dreams are made or broken, explore our ON-SITE OPAL FIELD, Search for TREASURE in our HUGE FOSSICKING AREA. You can Relax and Enjoy the scenery and birdlife, with a complimentary TEA OR COFFEE. Naturally, you can choose your own special gem ...The Russell's opal mine. 26º44’15.0”S 142º51’31.0”E. The Russell’s opal mine is also located on Mount Margaret sheep and cattle station and is only about 60 kilometres (37 miles) from our Mt. Margaret opal mine. The Russell’s wasnamed after Albert Russell, an dogger or dingo trapper who worked on Mt. Margaret station for many years.Before mining for opals in South Australia you must: pay a fee when applying for the permit and for the registration of claims and other relevant documents. How to obtain a permit and the basic requirements to prospect and mine for opal are outlined in: Opal miners can obtain information and application forms from the Andamooka Post Office, 9. ...Spencer Opal Mines caries a wide range of products from Opal solids, Opal triplets, and rough Opal. You can purchase individual stones (to have set in your own mounts) or you can choose between the many sterling silver and gold pendants, rings, and earrings we have to offer. We also have custom rings and pendants that were made especially to ...

About 750km north-west of Adelaide, Coober Pedy is one of Australia's most prolific opal-mining areas— up there with Lightning Ridge. Visitors are free to sift through opal mine tailings at the Jewell Box, an area still used as a mine dump. Avid 'noodlers' may find small opals or pieces of colourful potch (low-quality opal) in the tailings.However, Nevada is the leading American supplier for opals. On the whole, the United States produces around $90,000 of opal annually. Most of these opals are found in western USA, with many opal mines open to the public. Next, we’ll look at the mines dotting the Western regions of the US. Nevada. Can you find black opal in the US? You bet!New Mexico is a popular state for searching for a range of rocks, minerals, and gems. There is an array of numerous styles that can be mined here, some of which are pretty good. Few of the most highly desired minerals that you can find in the state of New Mexico. Turquoise, Opal, Amethyst, Jasper, Red Beryl, Peridot & Azurite. The Opal Country Café serves breakfast, lunch and dinner. Contact Us. Spencer Opal Mines 27 Opal Ave Spencer ID, 83446, USA. Phone: 208-374-5476.

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Legendary colorful mine. After we arrived at the mine, a guide takes us into the mine and shows us the route to follow with the equipment. The corridors are ...Canadian Opals. Vernon, British Columbia, Canada. Canada's only producing opal mine is found in the North Okanagan. We are exploring and developing the first precious opal mine in Canada located 25 kms west of Vernon BC. Opal Resources Canada designs, creates and sells the finest of opal products. Each opal stone is a unique one-of-a-kind ...Oregon's Morrow County is the site of a large opal mining operation in an area called Opal Butte. Although these deposits were identified in the 1800s, they were not mined until 1988 when West Coast Gemstones, Inc. began work there. They have located and sold exquisite gems as large as 315 carats. The Opal Butte opals are found in rhyolite ...ⓘ Blue Bell Mine [var. Opal-AN] Collected by Brent Thorne ⓘ C-Site [var. Opal-AN] Collected by and in the collection of Alex Earl: San Diego County; Aguanga Mountain Mining District (Smith Mountain Mining District) Oak Grove; Aguanga Mountain ⓘ Maple Lode Mine (Maple claim) [var. Opal-AN] Cordova, E. M. 2009. Personal communication with S ...Crystal Grove Diamond Mine is the place to go to find Herkimer diamonds, beautiful quartz crystals that are fun to mine. These crystals were first discovered in New York, and the perfect clarity of some of these stones makes them very popular with gem hunters. Address: 161 Co Rd 114, St Johnsville, NY 13452.As is the case with dozens of pay-to-dig gemstone sites across the United States, it was "finders, keepers". ... At Royal Peacock Opal Mines, diggers pay $190 per day and all their finds are ...

A brief history of the Royal Peacock Opal Mine. www.royalpeacock.comIt took fourteen million years for Mother Nature to make a Virgin Valley opal.It was well...However, Nevada is the leading American supplier for opals. On the whole, the United States produces around $90,000 of opal annually. Most of these opals are found in western USA, with many opal mines open to the public. Next, we’ll look at the mines dotting the Western regions of the US. Nevada. Can you find black opal in the US? You bet!Dorothy M. schlegal (1957) Gem Stones of the United States : USGS Bulletin 1042-G: Oregon; Baker Co. Durkee ⓘ Durkee Fire Opal Mine; Tschernich, Rudy, 1992, Zeolites of the World: Lake Co. ⓘ Hart Mountain; Dake, 1956. NW Gem Trails, 2nd ed. ⓘ Juniper Ridge Opal Mine; Extra Lapis - English No. 10 Opal: Malheur Co. ⓘ Succor CreekReview. Share. 29 reviews #1 of 1 Quick Bite in Spencer $ Quick Bites American Cafe. 27 Opal Ave, Spencer, ID 83446-5002 +1 208-374-5476 Website. Closed now : See all hours.Relax in a Hot Spring. The Lightning Ridge bore baths are the perfect place to relax and unwind. Warm and healing water from the Great Artesian Basin fills the circular pool. The water sits between a meditative 40 to 50 degrees celsius, perfect to massage those tender opal fossicking muscles!Discovered in 1948 by a couple deer hunters, the Spencer Opal Mines have been owned and operated by the same family for the past 48 years. In 1968, after realizing they were producing more rock than they could work themselves, they opened a mini-mine for amateur gem hunters. For $10, you can scour the stones as long as you want, and keep up to ...Check the map link to see where Virgin Valley is. If you would like to plan an opal trip to Virgin Valley this summer, please check the Contact Us page to make a reservation or ask further questions. Rainbow Ridge Opal Mine is located in Virgin Valley Nevada and is the premier location to mine your own world class opal specimens.This is our tenth mine, but our first time mining for opals. We mined the tailing and found some incredible pieces, many of which were full of fire. The tailings at this mine are partially comprised of the virgin dig leftovers, so there's a good potential for treasures to be found. There are mounds and mounds of material to comb [email protected]. +61 461 540 154. PO Box 615, Coober Pedy, SA 5723. Tom's Opal Mine is an authentic underground opal mine worked in the 80's & 90's. It is now a display mine showcasing underground workings with opal seams visible throughout. Tom's invites you to visit and join us for a Guided or Self-Guided tour.

15 reviews and 34 photos of ROYAL PEACOCK OPAL MINE "Took the family here for our very first ever opal hunt. I'm giving it 4 stars, but since this is the first opal mine I've ever been to, I'm not sure what I should have expected. The drive in is on unpaved, rocky road with amazing scenery. The mine is only about 14 miles from the nearest paved road, but please be aware that because the road ...

Best wholesale prices on opal in Australia. Come visit our CBD Underground Opal Mine! 0882117440. For over 35 years, our Rundle Mall Australian opal jewellery store in Adelaide has been the best Opal and Diamond factory, and on site Opal cutter in Adelaide. Call now or visit us to buy or sell Opals in Australia.Australian Opal Mines is currently mining at Coober Pedy. Over the years we have had many people from all over the world visit us in Adelaide, and also in Coober Pedy. Australian Opal Mines has formed long and lasting, profitable business associations with clients from some ten countries around the world. Unfortunately we don't find opal all ...27 Opal Ave Spencer ID, 83446, USA. 208-374-5476. Browse the site. Search the siteAbout Us. From Nick Le Souëf's first trip to the opal fields at the age of 19, Lightning Ridge Opal Mines has developed into one of Australia's most highly regarded Opal businesses. Family owned and operated, Jonas and Atheka work to bring you Australia's most beautiful opals.The Spencer Opal Mine, the largest privately owned gem stone producer in the State, is the major producer of Opal. At Spencer the precious opal occurs as one or more thin …Unique Store, Must Visit, feel the ambience of being in a real Mine, the biggest and most exclusive opal jewelry collection in Mexico, as well as loose stones, diamonds, emeralds, tanzanites, sapphires, rubies and semiprecious, 25 years on business, we designando manufacture every piece, all our pieces come with guarantee and certificate.The most important mines are located in the Mexican state of Querétaro but, due to over-mining in the 1960s and 70s, good-quality fire opals are now in scarce supply. While most fire opals stem from Mexico, where it is considered the country’s national gemstone, deposits have also been found in other countries including USA, Ethiopia ...

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Agate, amethyst, garnet, jade, jasper, obsidian, onyx, and opal have all been found in Arizona and used to make gems. The photo here shows several cabochons cut ...The Spencer Opal Mine, the largest privately owned gem stone producer in the State, is the major producer of Opal. At Spencer the precious opal occurs as one or more thin layers within common opal partially filling gas cavities within a rhyolite-obsidian flow. About 10% of the material is thick enough to cut into solid gems; the remainder is ...There are over 100 mines in the United States where anyone can visit, pay a small fee, look for gems and minerals, and keep what they find. For a large list of these mines, visit our ... Owyhee blue opal: A cabochon cut from blue Owyhee opal mined in the Owyhee Mountains in eastern Oregon, near the Oregon-Idaho border. Some of the opal from ...Mineral and/or Locality. Hidden Fire Opal Mine (Louisiana Opal Exchange Mine), Vernon Parish, Louisiana, USA : About 15 miles east of Toledo Bend dam. Operated from 1989 to 1993. Near Monks Hammock.About 150 million years ago, Coober Pedy was covered by the ocean, and as the water levels changed, silica solutions were deposited in the ground, which gradually transformed into opals. Today, Coober Pedy is widely known as the “Opal Capital of the World.”. While the town was formally established in 1915, Aboriginal groups (including the ...Silver Post - 1875 Festival Plaza Dr Suite 150, Las Vegas, NV 89135. American Jewelers - 11155 S Eastern Ave #130, Henderson, NV 89052. AB Jewelers - 2700 N Green Valley Pkwy h4, Henderson, NV 89014. The 12 Amazing Spots To Find And Mine For Megalodon Tooth In Maryland In 2024.7. Rainbow Ridge Opal Mine, Virgin Valley, Nevada. Colorful and unusual, opal is an eye-catching gem. Mine your own opals at the Rainbow Ridge Opal Mine. This mine has produced very valuable stones, some worth upwards of $50,000. Bring tools and buckets. You’ll be doing some serious digging to get to the treasure here, but your hard …We have gem, mineral, gold & crystal mines & mining claims for sale in the western USA incl South Dakota, California, Nevada & moreThe town was officially granted the township in 1917, while opal was discovered in this area around 1885. It serves as a center for the southern Queensland opal industry and is a gateway to multiple historic boulder opal mines. Mining activities in this field all cluster to the west and north-northwest of the town.Opal Mountain, just north of the Black Mountain Wilderness, has a lot to offer. Its name seems to hint at the possibility of finding some opal. You will find it, but most will be common opal which, although it comes in many colors of honey, green, orange, red, yellow and white, lacks the fire of the better known precious opal.Opal Mines, Tequisquiapan: See 97 reviews, articles, and 67 photos of Opal Mines, ranked No.4 on Tripadvisor among 20 attractions in Tequisquiapan. ….

UNITED STATES OF AMERICA. 1893 appears to be the date of discovery of opals at Opal Butte in Oregon, and perhaps the beginning of small opal occurrences in the USA. In 1987 - 88 commercial mining in Opal Butte produced 400 kilograms of precious opal. In 1900 opal was discovered at Panther Creek in Lemhi County Idaho.Here are a few of our favorite places to find and buy opal in the area: Earthlight Minerals & Gifts – 6437 W Fairview Ave, Boise, ID 83704, United States. Granite Mountain Nature Gallery – 305 Park St Ste A, McCall, ID 83638, United States. Idaho Bling Bling – 2071 E 17th St, Idaho Falls, ID 83404, United States.9 Oct 2022 ... ... American opals, or if you just love the unique and colorful stones, you will enjoy this video! Come along! Buy Kate's book - "SO MANY ...Opal Card is a popular smartcard ticketing system used for public transportation in Sydney, Australia. It offers a convenient and cost-effective way for commuters to travel across ...Some of the most well known crystals to be produces here are opal and star garnet. Jade, tourmaline, zircon and topaz are also found quite readily in Idaho too. May 3rd through September 30th, 2024. Rainbow Ridge Opal Mine will open for the 2024 season on Friday, May 3rd. The mine is open daily from 8AM until 4PM. We are closed each Wednesday and Thursday. The rock shop is open until 5 PM. The final day for digging will be on Monday, September 30th, 2024. Rainbow Ridge does not offer half day rates for ... Andamooka matrix (pronounced maytrix) is a unique brown sedimentary rock. Best quality matrix contains myriads of tiny deposits of gem opal and can be cut, polished then treated to produce an attractive and sought after stone that reflects the rainbow colours of crystal opal in a dense black to earthy brown base-rock.An opal is a 'gemstone' - that is, a mineral valued for its beauty. Gemstones are most often used in jewellery and examples include diamonds, rubies, emeralds, sapphires, jade, opals and amethysts. Gems generally get their colour because of certain metals contained in the mineral (for example purple amethyst is quartz containing tiny …30 Sept 2016 ... ... us subterranean in Utah, Australia, and Spain where modern-day cave dwellers teach us how to escape the heat. ... opal mining. a man preparing to ... Opal mines in the us, If you go from CDMX, you have to take the Mexico Querétaro highway to Tequisquiapan. The opals mine is located 10 minutes from downtown in the town of La Trinidad. You can look for Mr. Héctor Montes a trusted guide to do the tour. T. (414) 231 8036. Consult the Official Guide of Magical Towns and discover all the attractions of Tequisquiapan., In 2013, yet another source was discovered in welo, at the stayish mine near the town of Gashena. This discovery has yielded mostly black opal, along with some white opal. It is set in distinct opal-bearing layer in a mountainous area at an altitude of around from 2,900-3,150 meters. Northeast part and approximately 684 KM from Addis Ababa., Opal Prospecting Methods. Once you find an opal field, you need to know where to open a mine. Typically, this means digging a hole to the opal-bearing strata and searching for the gem in this layer. If there's no opal, you can move on to the next hole without too much cost. However, new geophysical techniques can show you exactly where to dig ..., As is the case with dozens of pay-to-dig gemstone sites across the United States, it was "finders, keepers". ... At Royal Peacock Opal Mines, diggers pay $190 per day and all their finds are ..., It was found in 1775 in the bed of the brook Oľšavka. It is 13 cm long and it weighs 594 g (2,970 carats ). It is one of most precious exhibits of the Museum of Natural History in Vienna where it is lies in a shielded box. Its price is estimated at a half million USD. Opal mines were known throughout the world since the late 16th century., 7. Rainbow Ridge Opal Mine, Virgin Valley, Nevada. Colorful and unusual, opal is an eye-catching gem. Mine your own opals at the Rainbow Ridge Opal Mine. This mine has produced very valuable stones, some worth upwards of $50,000. Bring tools and buckets. You’ll be doing some serious digging to get to the treasure here, but your hard …, Limited Cell Service Additionally, GPS directions may be misguided in remote areas like the Virgin Valley with many poor roads. Use services like Google Maps at your own risk! The Royal Peacock Opal Mine is located in North Western Nevada, near the end of Virgin Valley Rd., 35 miles from Denio, NV. Our GPS grid is: 41.7860519, -119.1002313., Here are the top 4 mines to visit in the USA if you’re interested in Opal hunting. Most of these mines are located in the world-famous Virgin Valley in Nevada, a …, If you’re a frequent traveler in Australia, you’ve probably heard of the Opal card. Whether you’re a local or a visitor, this smart card is an essential tool for navigating public ..., Opals In Texas. Although 95% of Opal is mined in Australia, there are small deposits in America that have found Opal. There is only one deposit in Texas at the Catahoula Formation, a fossilized wood structure that stretches along the eastern Gulf coast of Texas and into Louisiana. Figure 1: Idaho Opal Figure 2: Utah Opal Figure 3: Virgin Valley ..., The United States. Nevada. Humboldt. Deposit #USGS10045025; Rainbow Ridge Opal Mine Humboldt, Nevada. 41.7951°N 119.0151°W ... Physiography 1 Records; Mine Overview. The Rainbow Ridge Opal Mine, located in Humboldt, Nevada, is situated within the Virgin Valley Mining District, which has a rich history in the mining industry. The site was ..., Coober Pedy produces the bulk of the world’s white opal. The opal mining fields of Coober Pedy lie in the outback of South Australia, Stuart Range, 750 km north of Adelaide. Many of the locals in Coober Pedy prefer to live underground in dugouts where it is cool in summer and warm in winter. Read more about the Coober Pedy opal mining fields. , The Bonanza Opal Mines are renowned for their fire opals. Since the 1900s, the Virgin Valley has earned a reputation for producing world-class precious gemstones. At Bonanza, you can dig for opals amidst the rugged beauty of the Virgin Valley in northern Nevada. Opal digging is a great family event., A lot of Coober Pedy rough opal comes from fossils. Sea creatures such as shells and snails, although specimens of these are fast running out. Still, the remnants of them and other seam opal material can be combined with boulder opal ironstone from Queensland. The boulder opal is used as a backing and the opal as the face of the stone., December 1, 2022. There are over a few hundred Gem mines throughout the United States. This includes gems such as diamonds, sunstones, jade, opal and sapphire with many more varieties. Although there is not a large commercial presence in the United States there are areas in the country that have mines where you can pay to dig for the gems ..., It has yielded countless world-class precious opal specimens during that time. Digging isn't cheap, though. They charge $190 per person per day to dig in the fire-opal-rich bank area and $75 to dig in the mine dumps and tailings (piles of rock extracted from the mine). Address: 10 Virgin Valley Rd, Denio, NV 89404 Bonanza Opal Mine , The town of Coober Pedy, Australia produces more opal than anywhere else. Its culture has been thoroughly shaped by opal mining., FIPS code. 16-75970. GNIS feature ID. 0398161. Spencer is an incorporated hamlet in Clark County, Idaho, United States. It serves as the base for the state's opal mine and is called the "Opal Capital of America": [4] the mine proper is located 5-6 miles outside of town. The population was 37 at the 2010 census ., 18 Sept 2017 ... Opals: - These are mainly found in the states of Nevada, Oregon and Idaho. · Rubies: - These are gemstones with a rich red coloring to them., It was found in 1775 in the bed of the brook Oľšavka. It is 13 cm long and it weighs 594 g (2,970 carats ). It is one of most precious exhibits of the Museum of Natural History in Vienna where it is lies in a shielded box. Its price is estimated at a half million USD. Opal mines were known throughout the world since the late 16th century., All You Find Are Yours to Keep. Since 1981, the Royal Peacock Opal Mines have been open to the public for fee digging. The hills have yielded countless world-class precious opal specimens during that time. We are a family-run operation working hard to provide the best experience for families and treasure-hunters alike., Opal mining is a tough game and to be the best you need to understand how opal is formed, where to find it, and how to cut the stone to get the best price fo..., As far back as 4,000 BCE, humans have treasured opals and mined them in various locations, such as Kenya and Hungary. However, due to an unlikely combination of …, Bonanza Opal Mine, Denio, Nevada. Located in the Virgin Valley in Nevada, Bonanza Opal Mine is home to the most prism-esque of gems, the opal. Reflecting the full spectrum of color, these pearly gems can take many gorgeous forms. At Bonanza, you can put on your explorer hat, and dig for fire opals amid beautiful desert scenery., An opal is a 'gemstone' - that is, a mineral valued for its beauty. Gemstones are most often used in jewellery and examples include diamonds, rubies, emeralds, sapphires, jade, opals and amethysts. Gems generally get their colour because of certain metals contained in the mineral (for example purple amethyst is quartz containing tiny …, Canadian Opals. Vernon, British Columbia, Canada. Canada's only producing opal mine is found in the North Okanagan. We are exploring and developing the first precious opal mine in Canada located 25 kms west of Vernon BC. Opal Resources Canada designs, creates and sells the finest of opal products. Each opal stone is a unique one-of-a-kind ..., SUBSCRIBE!: http://bit.ly/1G97GmASHARE THIS VIDEO: https://youtu.be/HX5zF8b7XKENickipedia Live Website: http://www.NickipediaLive.comScience Team! I love h..., However, Nevada is the leading American supplier for opals. On the whole, the United States produces around $90,000 of opal annually. Most of these opals are found in western USA, with many opal mines open to the public. Next, we’ll look at the mines dotting the Western regions of the US. Nevada. Can you find black opal in the US? You bet!, As always, if you have any questions, please give us a call at 208-374-5476, and we will be happy to help! At Spencer’s Opal we try to bring the beauty of Opals to life. Our top of the market miners help us mine beautiful opals, just for you. Then they are washed, polished, and cut to make a variety of jewelry and gifts., Tom's Opal Mine is an authentic Opal Mine worked in the 80's and 90's. It is now a display mine showcasing underground workings with opal seams visible throughout. We invite you to visit and join us for a Guided or Self-Guided tour. Guided Tour Times are 10am and 1:30pm Daily. Open 9am to 4pm (March - October). Closed November ..., Or mine some gemstones of your own (they're yours to keep!) at the Royal Peacock Opal Mine in Winnemucca. In the 1990s, one lucky soul dug up a 130-pound opal known as the "Gingko Log.". It ..., Learn about mining and living underground in Coober Pedy with our informative tour and experienced guides. Visit our museum, enjoy a stone cutting demonstration and journey dep into the earth. See how Coober Pedy residents live with a walk through our underground house and learn all about mining in one of the oldest mines in the town center., The incredible blue color ranges from a robin's egg blue to black, and has a hardness factor of 6-1/2 to 7, which makes it wonderful for cutting!! Southern Skies premium opal will have red, blue, yellow, green and violet play of color in the stone. Our picture opal is totally unique to the gem world!! Never before seen swirls of different ...