Infographic on the chemistry of the coronation crowns: St Edward's Crown, the Imperial State Crown, and Queen Mary's Crown. The graphic shows the various gemstones in each crown and provides a brief description.
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As England celebrates the coronation of King Charles III this weekend, the crowns will be the centre of attention. Combined, the three crowns used in the ceremony contain almost 6,000 gemstones — this graphic takes a look at their chemical compositions.

References and further reading

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