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Archives des Or - Expert Bijouterie
L’or, une valeur de placement

L’or, une valeur de placement

En quoi l’or est-il une valeur de placement et refuge ? En raison de sa rareté, de son prestige, l’or fut longtemps considéré comme le métal le plus précieux. Rare et précieux, l’or s’est imposé comme l’objet monétaire. Jusqu’à devenir une valeur reconnue dans...
L’or dans la nature

L’or dans la nature

Sous quelles formes se trouve l’or dans la nature ? N’ayant que très peu d’affinité pour les autres éléments, l’or ne se découvre dans la nature que sous deux formes : natif, ou allié à quelques métaux, notamment à l’argent et au tellure. L’or natif se rencontre...

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