lapis lazuli

  • Funeral mask of the Pharoah Tutankhamun


    15 February 2019

    A brilliant rich blue rock, prized in antiquity as a gemstone and a prominent pigment, lazurite is the basis of lapis lazuli, the original ultramarine paint and – as Brian Clegg finds – it even adorns Tutankhamun's death mask

  • A picture of a 12th century nun's teeth

    Blue teeth reveal medieval nun's artistic talent

    11 January 2019

    Analysis identifies traces of the precious stone lapis lazuli