The present contribution deals with the use of organic colourants in wall paintings,
polychrome pottery and painted stone artworks, ie painted artworks on inorganic supports …

Within the broad corpus of polychrome artefacts and paintings from ancient Greece,
uncommon pigments have been identified, which signify high social status, or seem to have …

Indigo and Tyrian purple are two dyes that have been used historically worldwide, with their
colors due mainly to the presence of indigoids. Indigoids are a fascinating class of natural …

Direct identification of organic colourants in heterogeneous matrices of cultural heritage
objects with very little or no sampling remains a challenging analytical task. A Raman …

High-performance liquid chromatography (HPLC) coupled with photodiode array (PDA)
detection was used for the microchemical analysis of a purple residue on the surface of a …

Some of the long history of shellfish purple is recounted. Understanding how the dye is
produced from molluscs, the composition of the pigment and the chemistry involved has only …

The concept of the seascape as a place imbued with meaning by human experience is used
here as a framework for the analysis of the archaeological remains of activities that took …

Purple codices are among the most relevant and prestigious book productions of Late
Antique and Medieval age. They usually contained texts from Holy Writings written with …

This paper refers to an investigation of finds that are associated with the raw materials and
tools for the preparation or use of lead pigments at Akrotiri on Thera, Greece, during the …

An assemblage of approximately 500 colouring materials and objects related to their use,
found in different contexts and forms at Akrotiri, Thera, was recently investigated. The items …