All Stained glass articles

  • An assortment of cobalt blue glass bottles
    Podcast

    Cobalt oxide

    2020-01-17T11:42:00Z

    From ancient Egyptian pottery to distinctive blue bottles, cobalt oxide has been providing ‘chemically and artistically perfect’ pigments for centuries

  • Lights shining through stained glass window
    Podcast

    Selenium dioxide

    2014-11-05T00:00:00Z

    It smells of ‘rotting horseradish’ but gives glass a magnificent red colour – Brian Clegg shines a light on selenium dioxide