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Gregor's Black Sand and a Century of Failure

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Gregor's Black Sand and a Century of Failure

This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.

Titanium is the ninth most abundant element in the Earth's crust, which makes its long absence from industry one of metallurgy's stranger stories. William Gregor, an English clergyman and amateur mineralogist, identified it as a distinct element in 1791 while examining a black sand from a valley in Cornwall, but identifying an element and producing it are different achievements: nobody managed to isolate a reasonably pure sample of titanium until 1910, and even then it stayed a laboratory curiosity for another three decades, too difficult to reduce from its ore in any useful quantity. The gap between 1791 and 1940 is not a story of neglect. Molten titanium reacts violently with oxygen, nitrogen and carbon, which meant every early attempt at extracting it from ore also contaminated it, producing a brittle metal with none of the properties that make titanium valuable today. An element that had been sitting in plain sight, chemically identified for a century and a half, still needed someone to solve a purely practical problem before it could become a metal anyone could build with.

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Titanium, Materials
Sources
A History of Technology
Charles Singer, E. J. Holmyard, A. R. Hall and Trevor I. Williams, editors, Oxford University Press, 1954
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