Lyla Lindsey
Opals have been found in Western Australia, specifically in the desert region. The Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, and Norseman opal mine in Dundas Shire are some of the opal mines in Western Australia. The town of Norseman is known for its Moss Opals, Landscape Opals, and Orange Opals. While South Australia, New South Wales, and Queensland are the only states with opals, specifically in the towns of White Cliffs, Lightning Ridge, and Coober Pedy, Western Australia still has opal mines that produce precious opals.
| Characteristics | Values |
|---|---|
| Opal found in Western Australia | Yes |
| Towns/cities | Albany, Kalgoorlie, Coolgardie, Norseman, Williams |
| Types of opal | Fire opal, precious opal, black opal, landscape opal, orange opal, common opal, volcanic opal, boulder opal |
| Mines | Precious Opal Williams Opal Mine, Norseman opal mine, Coober Pedy Opal Mine |
| Australian opal production areas | Queensland, NSW, SA, White Cliffs, Lightning Ridge, Grawin, Glengarry, Andamooka, Mintabie, Lambina |
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What You'll Learn
- Opals in Western Australia are found in the Outback, specifically in the desert region
- The Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, has beautiful specimens
- The Norseman opal mine in Dundas Shire is known for its Moss Opals
- Fire opal can be found East of Laverton
- Boulder Opal is one of the most undervalued opals on the market
Opals in Western Australia are found in the Outback, specifically in the desert region
Opals can be found in the Outback of Australia, specifically in the desert region of Western Australia. The town of Coolgardie in Western Australia is known for its opal mines, which produce beautiful specimens of the gemstone. The Williams opal mine in Coolgardie is one such mine, known for its display-worthy opals. Kalgoorlie-Boulder Shire in Western Australia is another important source of opals.
Opal mining in Australia has a long history, with the gemstone being discovered in South Australia in the 19th century. The first opal mines in Australia were located in the town of White Cliffs, New South Wales, and they produced fine-quality seam material that excited the world. By the 1920s, the town had a population of over 3,000 people. While the field died out by 1930, other important opal fields emerged in Australia, including Lightning Ridge in New South Wales, which is known for its black opals, and Coober Pedy in South Australia, which has become a popular tourist destination due to its underground mines.
Queensland is another significant source of opals in Australia, with the Queensland Fields spreading across 1,000 kilometers and producing almost all of the world's supply of boulder opals. The town of Yowah in Queensland is known for its deep ironstone boulder opals with beautiful traces of color and patterns. The South Australian opal fields, including Coober Pedy, Andamooka, and White Cliffs, are also renowned for their distinct crystal opals.
In Western Australia, the town of Norseman in Dundas Shire is known not only for its rich mineral resources of gold, crude oil, natural gas, and diamonds but also for its unique opal varieties. Moss Opals, Landscape Opals, and Orange Opals can be found in this region, attracting the admiration of opal collectors worldwide.
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The Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, has beautiful specimens
Opal has been found in Western Australia, with the Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, yielding particularly beautiful specimens. Australia has been the world's primary source of quality opals for over a century, producing about 90% of the world's precious opal.
The Williams opal mine, also known as the Three Mile Hill Mine, is located 4.8 kilometres north-northeast of Coolgardie. Precious black opal was first mined at the site in 1904, but the mine was soon abandoned due to the limited amount of opal available. The site was worked again in the 1960s and 1989, with small fragments of precious opal being recovered. In 1991, an experienced opal miner named Peter Milic made a significant discovery at the mine, unearthing a magnificent piece of black opal weighing 16.5 kg. This large specimen was valued at AUD $5-6 million.
The opal found at the Williams mine is characterised by its black and grey colour, displaying red, orange, green, and blue play of colours. The opal occurs in thin seams within a siliceous matrix, a relatively hard, dark-coloured, fine-grained rock. The surrounding potch veins are wider and exhibit a glassy, bluish colour. While mineral specimens from this location are very rare, the Williams opal mine in Coolgardie has undoubtedly yielded some stunning examples of precious opal.
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The Norseman opal mine in Dundas Shire is known for its Moss Opals
Opals have been found in Western Australia, specifically in the desert region. The Williams opal mine in Coolgardie, for example, has produced beautiful specimens, though most were crazed and only fit for display. Boulder Opal, one of the most undervalued opals on the market, can also be found in Western Australia.
The Norseman opal mine in Dundas Shire, Western Australia, is known for its Moss Opals. The mine is located 11 kilometres northwest of Norseman. It is one of the few official fossicking sites in Western Australia. A series of trenches have been cut to reveal variously coloured chalcedony, common opal, and dendritic opal. The latter, also known as moss opal, is a translucent or opaque opal with inclusions (usually chlorite, iron oxides, or clay) forming dendritic patterns within the opal. Moss opal from the Norseman opal mine shows dendritic formations through a golden-orange form of common opal, though other colours include brown, white, red, yellow, translucent green (including chromiferous opal), and golden lace opal. The latter is a local term for yellow-brown opal with black dendritic inclusions.
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Fire opal can be found East of Laverton
Opal is found in abundance in Australia, which has been the world's primary source of quality opals for over a century. Fire opal, specifically, can be found in Western Australia, east of Laverton. This discovery is particularly interesting because, unlike other Australian opals, which are found between 5 and 60 feet below the surface, this opal is found only about a metre deep. This makes mining far more cost-effective.
The White Cliffs fire opal deposits are located in Laverton Shire, 35 kilometres north-east of Laverton along the White Cliffs Road. In the first half of the twentieth century, government geologist E.S. Simpson described the opal found in this region as flame opal, with a rich red-brown colour and high translucency. Simpson reported that a 4-carat piece was brilliant and flawless when cut around 1926, but after three years of storage in a drawer, it had developed many cracks, possibly due to dehydration.
Despite the limited success of cutting gems from the deposits in this region, prospectors have continued to attempt it in recent decades. The material is probably best as specimens, but no one has found it profitable enough to market it as such.
Fire opal can also be found in a newly discovered opal field in Western Australia, roughly 600 kilometres north of Kalgoorlie. This opal is exothermic, rather than sedimentary-formed like opals in other Australian opal fields. It features lustrous orange/red hues.
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Boulder Opal is one of the most undervalued opals on the market
Opal is a gemstone that has long been associated with Australia, with the country producing 95-97% of the world's opals. Opals have been found in Western Australia, specifically in the Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, and the Norseman opal mine in Norseman, Dundas Shire.
Boulder Opal, a type of opal found in Australia, is considered one of the most undervalued opals on the market. While it is less expensive than Lightning Ridge opal, each Boulder Opal is unique and possesses characteristics that make it a desirable gemstone.
The value of Boulder Opal is determined by several factors, including the play of colour, the darkness of the body tone, and the directionality of the colour flash. Red is the most valuable colour, followed by orange, yellow, green, purple, and blue. The percentage of the face covered by opal also influences its value, with pieces having a majority of their face covered by opal being more valuable.
Boulder Opals from Yowah to Koroit are known for their deep ironstone and vibrant veins of colour, creating beautiful patterns that make these opals stand out. The cut of the opal also matters, with freeform shapes gaining popularity over the traditional oval cut.
Despite their unique characteristics and visual appeal, Boulder Opals are often challenging to price and can be undervalued in the market. However, with their distinct features and increasing popularity, Boulder Opals are gaining recognition and appreciation among gem enthusiasts and collectors.
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Frequently asked questions
Yes, opals have been found in Western Australia, specifically in the desert region.
Opals can be found in the Williams opal mine in Coolgardie, Kalgoorlie-Boulder Shire, and Norseman opal mine in Dundas Shire.
The opals found in Western Australia include precious opal, fire opal, and moss opal.
Australia is considered the "motherland" of opals, with a variety of valuable opal types found across the country.
While Australia is the main source of opals, there are also opal mines in Ethiopia, Hungary, and Slovakia.
