Stone tools with purple dye residue found at Tel Shiqmona in Israel
Maria Bukin/Shalvi et al., 2025, PLoS One, CC-BY 4.0
Centuries ago, a coastal settlement in what is now Israel served as a hub for the production of Tyrian purple, a highly coveted dye derived from marine snails. Tyrian purple was a symbol of wealth and power in ancient Mediterranean societies, particularly prized for coloring textiles. While evidence of small-scale production existed, the discovery of a site dedicated to large-scale manufacturing has been scarce until recent excavations.
Between 1100 BC and 900 BC, Tel Shiqmona transitioned from a modest Phoenician fishing village to a fortified center for purple dye production, coinciding with the expansion of the Kingdom of Israel. Archaeologists uncovered remnants of dye-stained vats capable of holding up to 350 liters each, along with 176 artifacts related to purple dye production, including 135 items stained with the precious pigment.
The purple dye was extracted from sea snails of the Muricidae family, which release a greenish fluid that turns purple upon oxidation. To turn it into a dye suitable for textiles, a complex chemical process was required. Tel Shiqmona stands out as the only known site where large-scale production of purple dye in a specialized facility persisted for an extended period.
Despite the lack of historical records linking the site to the dye industry and limited knowledge of the production process, researchers believe Tel Shiqmona played a crucial role in supplying Tyrian purple during the Iron Age. Following the decline of the Kingdom of Israel, Assyrian and Babylonian conquests led to fluctuations in dye production until its abandonment around 600 BC.
Describing Tel Shiqmona as an industrial site devoid of architectural grandeur, lead researcher Golan Shalvi imagines a bustling complex emitting pungent odors from the dye-making process. The vivid imagery of wool fleeces drying in shades of purple, red, and blue paints a picture of a once-thriving center of dye production.
Purple dye’s cultural, symbolic, and economic significance transcended its role as a mere colorant, captivating societies worldwide and sparking extensive research into its origins and uses. The legacy of Tyrian purple endures as a testament to ancient craftsmanship and luxury.
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