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The Galaxy Opal, listed as the "World's Largest Polished Opal" in the 1992 Guinness Book of Records [72] The Rainbow Virgin, "the finest crystal opal specimen ever unearthed" [73] [74] [75] The Sea of Opal, the largest black opal in the world [76] The Fire of Australia, assumed to be "the finest uncut opal in existence" [75] [77]
The Koroit opal field is known for the very distinctive type of boulder opal that is found in its mines. In Queensland boulder opal is found within a 300 km wide belt of sedimentary rocks in the Winton Formation. Here opal is found as a kernel in small concretions. [1] The Koroit Opal field was discovered in 1897 by Lawrence Rostron.
Meet the "Virgin Rainbow" – perhaps the finest and certainly the most expensive opal on record. It literally glows in the dark. In fact, as it gets darker around the opal, the opal appears ...
The World Today, styled also as The World Today with Maryam Moshiri is a news programme that premiered on both UK feed and international feed of BBC News channel on 21 February 2024. The programme is mainly hosted by Maryam Moshiri. The show, dedicated to international news is said to "bring the best of the BBC's global journalism to audiences ...
In February 2007, the world's rarest baseball card sold at auction for $2.3 million. If you think that's totally wild, consider the world's rarest bible, which could net you $25 to $35 million.
Biogenic silica (bSi), also referred to as opal, biogenic opal, or amorphous opaline silica, forms one of the most widespread biogenic minerals. For example, microscopic particles of silica called phytoliths can be found in grasses and other plants. Silica is an amorphous metalloid oxide formed by complex inorganic polymerization processes.
The World Today was an early morning news and current affairs radio programme on the BBC World Service, launched in 1999, and broadcast from 3:00 to 8:30 (GMT) daily as of 2011. It consisted of news bulletins on the hour and half-hour, serious international interviews and in-depth reports of world news.
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