Early Medieval Egyptian blue in laser light

2. Juni 2021

Photo and Raman microscopy image of a patch of the pictorial layer of the mural fragment from the church St. Peter above Gratsch in South Tyrol, Figure: Dariz/Schmid

Research team elucidates complex spectrum of trace compounds in the first artificial pigment of mankind

Art technologist Dr. Petra Dariz and analytical chemist Dr. Thomas Schmid (School of Analytical Sciences Adlershof SALSA at Humboldt-Universität zu Berlin and Bundesanstalt für Materialforschung und -prüfung BAM) identified Egyptian blue on a monochrome blue mural fragment, which was excavated in the church of St. Peter above Gratsch (South Tyrol, Northern Italy) in the 1970s. ...