Lyla Lindsey
Black opal is a natural gemstone that is predominantly found in Australia. It is considered the rarest and most prized type of opal. The best black opals are mined in Lightning Ridge, New South Wales, Australia. The town of Coober Pedy in South Australia is another major source of opal. Black opals are also rarely found in other locations such as Ethiopia, Brazil, and the United States. When buying black opals, it is important to purchase from a reputable supplier or store to ensure authenticity.
| Characteristics | Values |
|---|---|
| Origin Country | Australia |
| Region | Lightning Ridge, New South Wales |
| Other Regions | Coober Pedy, Andamooka, Mintabie (all in South Australia) |
| Rarity | Rare, exclusive to a few places globally |
| Colour | Dark body tone with flashes of red, green, blue, and yellow |
| Value Factors | Origin, body tone, play of colour, predominant colour, pattern |
| Brightness | The brighter and more vibrant, the higher the value |
| Price | Varies, some over $100k |
| Notable Mentions | Black opal is Australia's national gemstone and accounts for 95-97% of the world's supply of precious opal |
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What You'll Learn
Lightning Ridge, New South Wales
Lightning Ridge in New South Wales is the place to go for black opals. Located in the north-west of the state, it's about 770km from Sydney and 750km from the Gold Coast—nearly a 10-hour drive. Lightning Ridge is the main source of precious black opals, which are the rarest type of opal. Black opals are celebrated for their dark body tone and vivid play of colour. The deep base enhances the brightness of the colours, creating a stunning display that makes each stone truly one-of-a-kind.
The town of Lightning Ridge got its name from a tragic incident during a terrible electrical storm when a shepherd, his dog, and 600 sheep were killed by lightning while taking shelter on one of the ridges. The story goes that Charles Nettleton, a former gold miner, travelled through Lightning Ridge in 1901 and camped with the Ryan family, who showed him some fiery black stones. Nettleton had never seen anything like them, but he suspected they were opals. He started his first shaft in Lightning Ridge the following year.
Lightning Ridge is the only place in the world where beautiful black opals have been found. The opals are mined and then cut by hand, with each gem offering a unique expression of nature's artistry. The black opals from Lightning Ridge are the most sought-after in the world, with their vivid, multicoloured fire set against a deep, dark body tone.
If you're looking to buy black opals from Lightning Ridge, there are several online retailers offering worldwide shipping. You can also visit the town and its opal merchants in person.
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Coober Pedy, South Australia
Coober Pedy, located in northern South Australia, is known as the "opal capital of the world" due to its rich deposits of precious opals. It is situated about 846 km (526 mi) north of Adelaide on the Stuart Highway and falls within the Far North region of South Australia. The town's name, "Coober Pedy," is derived from the Kokatha-Barngarla term "kupa-piti," meaning "whitefellas' hole," but the local Aboriginal people adopted the name "Umoona" in 1975, which means "long life."
Coober Pedy has a long history of opal mining, dating back to 1915 when the first opals in the area were discovered by a group of gold prospectors. The discovery sparked a rush to the opal fields, and the town became a modern mining centre in the 1960s with the influx of European migrants seeking their fortunes. Today, Coober Pedy is renowned for its unique below-ground dwellings, known as "dugouts," which were first introduced by early opal mining pioneers due to the lack of building materials and extreme heat.
The opal mines of Coober Pedy produce a significant portion of the world's precious opals, particularly white opal and crystal opal. The town is surrounded by 70 opal fields, and the miners export their opals worldwide. Coober Pedy shops offer a wide variety of opal jewellery, including rings, earrings, pendants, and bracelets. Some shops also provide opal cutting demonstrations, showcasing the unique patterns and vibrant colours of the stones.
While Coober Pedy is famous for its white opal and crystal opal, it is not typically associated with black opal. Black opal, the rarest type of opal, is primarily mined in Lightning Ridge, New South Wales. However, some sources do mention Coober Pedy in connection with black opal mining and sales, indicating that it may be a source for this variety as well, albeit less prominently than Lightning Ridge.
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Mintabie Opal Field, South Australia
The Mintabie Opal Field is located in South Australia, nestled in the limestone plains of Central Australia. It is a unique opal mining community in the Anangu Pitjantjatjara Yankunytjatjara (APY) lands, as its residents are largely not of Aboriginal Australian origin. The land has been leased to the Government of South Australia for opal mining purposes since the 1980s.
The opal deposits at Mintabie are found in a sandstone unit, which is part of the Eromanga Basin. The basin's sediments were tilted by crustal forces, forming prominent hills to the west, such as the Mount Johns Range near Marla. The opal field experiences hot summers with average maximum temperatures of 37.3 °C (99.1 °F) in January and milder winters with average maximum temperatures of 19.8 °C (67.6 °F) in June.
Mintabie opal field is located west of the main north-south road between Adelaide and Alice Springs, just south of the Northern Territory border. It is 270-340 kilometres from Coober Pedy by road. The opal mining community at Mintabie was established in 1978 when Croatian miners from Coober Pedy discovered gem-quality black opal in the area. The discovery led to a boom in opal mining, with millions of dollars' worth of opal mined from the early 1980s onwards.
The opal mined at Mintabie is known for its durability, with a hardness that allegedly allows it to scratch agate. The opals from this region exhibit a wide range of colours, including white, dark crystal, grey, and black. The harsh and remote conditions of Mintabie contribute to the distinctive qualities of its opal. Despite the town's closure in 2019 due to legal and ethical issues, independent miners continue to work in the challenging terrain, showcasing their profound connection to the opal and the land.
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Andamooka, South Australia
Black opals are rare and valuable gemstones that are mostly found in Australia. While Lightning Ridge is the main source of precious black opals, Andamooka in South Australia is also known for its opal fields.
In 1930, two boundary riders, Sam Brookes and Roy Shepperd, discovered opal at a site now known as Treloars Hill in the Andamooka opal fields. The discovery triggered a rush of miners to the area in the early 1930s. Andamooka opal is known for its high quality, with the unique brown sedimentary rock known as Andamooka matrix containing tiny deposits of gem opal. This matrix can be cut, polished, and treated to create attractive jewellery or ornaments that showcase the rainbow colours of crystal opal.
The topography of the Andamooka opal fields is typical of "opal country", with low-lying gibber plains, shallow dips, and basins. The opal is found between 4 and 30 metres below the natural level of the topsoil, in an area that was once an inland sea. This history has resulted in significant deposits of clay and sandstone, as well as fossils of ancient creatures whose remains are often found as opalised fossils.
The Andamooka opal fields are located in a pastoral unincorporated area of South Australia, approximately 160 km northeast of Pimba. The area has a long history of opal mining, with the first pastoral lease for Andamooka Station taken out in 1872, 58 years before opal was discovered at Treloars Hill. The discovery of opal led to the growth of the Andamooka settlement, with a peak population of around 2,000 people in the 1960s. Today, visitors can explore the beauty and rarity of Andamooka opals and visit the opal showroom to view fine specimens.
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Online vendors
When it comes to online vendors, there are several options for purchasing Australian black opals. One popular vendor is Lightning Ridge Opal Mines, which has a physical store in Melbourne and an online presence at opals.net.au. They offer a range of loose stones and jewellery at various price points, catering to different budgets. OpalShop (opalshop.com.au) is another online vendor that sources opals directly from miners in well-known locations such as Lightning Ridge and Coober Pedy, ensuring competitive prices for their customers.
For those interested in auctions, Opal Auctions (opalauctions.com) offers a wide selection of Australian black opals, including rough opals, opal pairs, and opal jewellery. Their website provides educational resources and quizzes to help buyers make informed decisions about their purchases. Another online vendor, BlackOpalDirect, has a YouTube channel that showcases different price per carat ranges for black opals, providing valuable insights for buyers. BlackOpalDirect also has a website where customers can browse and purchase their opals.
It is important to note that when shopping online, lighting and videos can sometimes be misleading. Therefore, it is recommended to do thorough research and decide on preferences and budgets before making a purchase.
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Frequently asked questions
Black opals can be found in the town of Lightning Ridge, New South Wales.
Yes, the town of Coober Pedy in South Australia is another source of black opals.
Black opals are the rarest type of opal and are only found in very few places worldwide.
The value of black opals depends on several factors, including origin, body tone, play of colour, predominant colour, and pattern. Brightness and colour also affect the price, with purple being the most expensive and green and blue being more affordable.
You can purchase black opals online from websites such as Black Opal Direct and Opal Galaxy, or in-store at shops like Lightning Ridge Opal Mines in Melbourne and Opal Minded in Sydney.
