Beautiful samples from Roman sites in Styria, part of the archaeological collection of the University of Graz. Thanks to Mag. Robert Pritz and Ao.Univ.-Prof. Mag. Dr. Manfred Lehner.
Samples from wall painting fragments and Egyptian blue pellets from Flavia Solva thanks to Dr. Barbara Porod and Universalmuseum Joanneum.
Dr. Alexandra S. Rodler 