A new study uncovers the origins of the materials used in the Alexander Mosaic.
A detailed analysis reveals the Alexander Mosaic's
Photo Credit: Wikimedia Commons
An iconic mosaic of Alexander the Great, originally from Pompeii and now displayed at the National Archaeological Museum of Naples, has been the subject of a detailed scientific analysis. Composed of approximately 2 million tesserae, the mosaic's intricate artistry and materials were found to extend beyond Alexander's ancient empire. These stone and mineral pieces were sourced from quarries across Europe, including regions in Italy, Spain and Tunisia. This discovery sheds light on the extensive craftsmanship and resources employed in its creation.
According to the study published in PLOS One, the tesserae consisted of ten distinct colours, including shades of white, red, green, yellow and pink, all meticulously combined to produce stunning artistic effects. According to Live Science, portable X-ray fluorescence (pXRF) was among the methods used to identify the mosaic's chemical composition. Notably, the white tesserae were linked to the Marmor Lunensis quarries in Italy, while the pink pieces were traced to Portugal and yellow elements were found to originate in Tunisia.
The Alexander Mosaic, created over 2,000 years ago, was buried in A.D. 79 during Mount Vesuvius's eruption. It depicts Alexander the Great defeating Persian King Darius III at the Battle of Issus in 333 B.C. The mosaic is famed for its exceptional detail, especially in Alexander's face, which features shades of pink tesserae with varying chemical compositions. Researchers noted these subtle luminescent effects likely contribute to its iconic status in ancient art.
Traces of gypsum and natural wax, applied in modern restorations, were identified during the analysis. Researchers also found structural vulnerabilities in the mosaic's backside, previously treated with gypsum-based substances. These findings highlight critical considerations for future preservation efforts.
The mosaic continues to offer remarkable insights into the art, history and technological sophistication of the ancient world.
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