Famous Opals - Opals Down Under
The “Olympic Australis” is reported to be the largest and most valuable gem opal ever found. It was found in 1956 at the famous “Eight Mile” opal field in Coober Pedy, South Australia.
Halley's Comet Opal - Wikipedia
The Halley's Comet Opal is the largest uncut black opal in the world, according to the Guinness Book of World Records. It is so named because it was unearthed in 1986, a year when …
The Flame Queen Opal: World's Most Expensive Opal
Feb 18, 2023 · The Olympic Australis is an uncut white opal often credited as the largest uncut opal in the world at 17,000 carats (7.5 lb or 3.4 kg). It sold for nearly $2.5 million (AUD) in 1997.
The 10 Most Expensive Opals in the World and Why
From the late 1950s until the early 2000s, the Olympic Australis was the largest opal in the world. However, the Virgin Rainbow and Americus Australis would eventually take this title.
The World’s Most Famous Opal Gemstones | Gem-A
Apr 1, 2022 · Named for the Olympic Games held in Melbourne the year it was discovered (1956), the Guinness Book of World Records has deemed it the largest and most valuable precious …
The Worlds Most Famous Opals: The Stories Behind these World …
Halley’s Comet is recognized as the largest uncut black opal nobby on record. This exceptional stone was unearthed by The Lunatic Hill Syndicate during the period when Halley’s Comet …
Rare $675,000 opal makes public debut - CNN
Feb 2, 2017 · The 998-gram gem, called the Fire of Australia, is the largest known piece of high grade opal in the world, according to the museum.
Rare Huge Green-blue Opal Found in Nevada - Geology In
The Roebling Opal is an extraordinary piece of opal rough, weighing a remarkable 2,585 carats. It is the largest unpolished black opal in the world and is renowned for its vibrant play of color, …
The World's Top 7 Most Expensive Opal Gemstone - HTPGemstones
Apr 5, 2025 · The Olympic Australis Opal is one of the largest and most valuable opals ever found, recognized by the Guinness Book of World Records. Discovered in 1956 near Coober …
Olympic Australis - Wikipedia
The Olympic Australis opal is the largest and most valuable opal yet found (as of 1961) [1] and was valued at A$2,500,000 in 1997. [2] It was found in 1956 at the 'Eight Mile' opal field near …