Carat – not a carrot!

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What is a Ruby?

For many people first a well written old song …

What is blood – red or pinkish ruby?

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Read more about Ruby Gap here.

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**Rubies**: Rubies are the red variety of corundum and they contain chromium. A small amount of chromium in corundum will produce a pink colour, but to be considered a true ruby, there must be enough chromium for the gem to be a distinctly red, or slightly purplish-red colour¹.

**Sapphires**: Sapphires are also a variety of the mineral corundum. They contain traces of iron, titanium and nickel, giving them a range of colours including green, yellow, blue, orange, black and pink. Blue sapphires are the most common¹.

**Opals**: The Australian Outback yields a cornucopia of precious gemstones, with opals being one of the most significant. The interaction of ancient inland seas and the leaching of silica-rich sediments have given rise to opals, those iridescent jewels that seem to capture the very essence of the Outback’s fiery skies⁸.

**Other Gemstones**: Australia, with its long geological history, has some of the world’s oldest rocks and minerals and a wide variety of gemstones. Australia is the world’s biggest producer of diamonds and opals and major supplier of sapphire, ruby, emerald, garnet, topaz and jade³.

These gems have not only captivated collectors but also played a significant role in the region’s economy and cultural heritage⁸. The Outback’s geological canvas is painted with the brushstrokes of tectonic forces, volcanic activity, and the relentless dance of time⁸.

Quelle: Unterhaltung mit Bing, 9.2.2024
(1) Sapphire and Ruby | Geoscience Australia. https://www.ga.gov.au/education/classroom-resources/minerals-energy/australian-mineral-facts/sapphire.
(2) Unearthing the Mysteries of Precious Gemstones in the Australian Outback. https://ossare.com/unearthing-the-mysteries-of-precious-gemstones-in-the-australian-outback/.
(3) Australian gems | Geoscience Australia. https://www.ga.gov.au/education/classroom-resources/minerals-energy/australian-mineral-facts/australian-gems.
(4) Outback – Wikipedia. https://en.wikipedia.org/wiki/Outback.
(5) South Australian Outback – Travelmarbles. https://www.travelmarbles.com/2020/03/the-magic-of-red-desert-outback-south-australia/.
(6) . https://bing.com/search?q=half+precious+stones+in+the+Outback+of+Australia.
(7) Australian Jewellers Supplies – Headquarters. https://www.jewellerssupplies.com.au/.
(8) Australian Opal Centre. https://www.australianopalcentre.com/.
(9) Devil’s Marbles – Davenport, Australia – Atlas Obscura. https://www.atlasobscura.com/places/devils-marbles.
(10) Opals in the Australian Outback – International Gem Society. https://www.gemsociety.org/article/all-the-treasures-have-been-found/.
(11) Splendor in the Outback: A Visit to Australia’s Opal Fields. https://www.gia.edu/gems-gemology/winter-2015-splendor-outback-australia-opal-fields.
(12) undefined. https://www.ga.gov.au/__data/assets/image/0015/62034/SapphireImage2by800.jpg.
(13) undefined. https://www.ga.gov.au/__data/assets/image/0017/62036/SapphireImage4by800.jpg.
(14) undefined. https://www.ga.gov.au/__data/assets/image/0013/62005/SapphireImage5by800.jpg.
(15) undefined. https://www.ga.gov.au/__data/assets/image/0016/62035/SapphireImage3by800.jpg.
(16) undefined. https://www.ga.gov.au/__data/assets/image/0018/62037/SapphireImage6by600.jpg.
(17) undefined. https://www.ga.gov.au/__data/assets/image/0014/62006/SapphireImage8by400.jpg.
(18) undefined. https://www.ga.gov.au/__data/assets/image/0020/62039/SapphireImage9by800.jpg.
(19) undefined. https://www.ga.gov.au/__data/assets/image/0012/62040/SapphireImage10by400.jpg.
(20) undefined. https://www.ga.gov.au/__data/assets/image/0019/62038/SapphireImage7by600.jpg.
(21) undefined. https://www.ga.gov.au/__data/assets/image/0013/62041/SapphireImage11by400.jpg.
(22) undefined. https://www.ga.gov.au/__data/assets/image/0012/62004/SapphireImage1by300.jpg.
(23) undefined. http://www.flickr.com/photos/fransdewit/41.

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Last Update on Fri 9 Feb 2024