All jewellery articles

  • Zircon jewellery on a white background
    Podcast

    Zircon

    2019-07-12T09:00:00Z

    The versatile gemstones that give scientists insights into the chemistry of the early Earth, introduced by Brian Clegg

  • amber resin tree sap
    Podcast

    Amber

    2019-05-23T13:58:00Z

    Mike Freemantle introduces amber – the valuable organic gemstone that invests unwary insects in a durable tomb

  • Childrens-costume-jewelry_iStock_000028595848_300tb
    News

    Cadmium and lead in costume jewellery prompt concern

    2016-04-01T00:00:00Z

    Extremely high levels of toxic metals in children’s jewellery is causing alarm among US and Canadian scientists