Etymology
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beryllium (n.)

metallic element, 1863, so called because it figures in the composition of the pale green precious stone beryl and was identified in emerald (green beryl) in 1797 by French chemist Louis Nicolas Vauquelin and first isolated in 1828. With metallic element ending -ium. At first and until c. 1900 it was also sometimes called glucinum or glucinium.

updated on October 07, 2022

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