Rubies panned from river gravels
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Rubies panned from river gravels
Rubies. Ruby is a red, transparent variety of the mineral corundum (aluminium oxide). Small amounts of chromium oxide, substituting for aluminium oxide, give it its red colour. Rubies are found in Burma, on the Malay Peninsula, and in Sri Lanka, Tanzania and Brazil. Those seen here were panned from river gravels and have been smoothed and rounded by abrasion. Natural rubies are highly prized as gemstones, but rubies can also be produced artificially, and such synthetic stones are used in lasers and watches
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Media ID 6342343
© VAUGHAN FLEMING/SCIENCE PHOTO LIBRARY
Corundum Earth Science Mineral Ruby
EDITORS COMMENTS
This print showcases a collection of rubies that have been meticulously panned from river gravels. Rubies, known for their mesmerizing red hue and transparent nature, are a variety of the mineral corundum. The vibrant color is attributed to small amounts of chromium oxide replacing aluminum oxide within the gemstone. These precious stones can be found in various locations including Burma, the Malay Peninsula, Sri Lanka, Tanzania, and Brazil. What makes this particular assortment even more fascinating is how they have been naturally shaped over time. Through constant abrasion against river gravels, these rubies have acquired smoothness and rounded edges. Their organic form adds an extra layer of allure to their already enchanting beauty. While natural rubies hold immense value as highly coveted gemstones sought after by collectors worldwide, it's important to note that synthetic alternatives also exist. In fact, artificial rubies find practical applications in lasers and watches due to their exceptional properties. This remarkable image not only celebrates the geological wonders found on our planet but also serves as a reminder of humanity's ability to harness nature's gifts for both aesthetic pleasure and scientific advancements.
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