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What is the birthstone for October? Hint: There's actually two.
October has two birthstones: opal and tourmaline. Opal is the traditional birthstone for October. It is believed the stone was discovered in India and given the name "upala," or "precious stone ...
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What are ‘semi-precious’ stones? From Louis Vuitton to Cartier and Van Cleef & Arpels, brands are using tourmalines, aquamarines and opals to bring a blaze of colour ...
As Francesca Cartier Brickell notes in The Cartiers, a book that charts the story of the maison once dubbed "Jeweller of Kings and King of Jewellers", semi-precious stones like opal, tourmaline ...