AMS radiocarbon and OSL dating, and profiling were used to directly delimit periods of variscite production at Pico Centeno Mine 2. These results were integrated with analysis of other well-dated periods of variscite production to establish an Iberian-wide chronological framework. Variscite production at Pico Centeno Mine 2 began at ~ 5200 BC, coincident with alpine jade production or Casa Montero Iberian flint production. Variscite was only used occasionally, together with other greenstones, during the 5th and 6th millennia BC. During the 4th millennium BC, variscite use began to increase to its apogee in the first half of 3rd millennium BC when it appeared in nearly every Iberian burial site. This increase in variscite production and use coincided with decline in the popularity of alpine jade. By the end of the 3rd millennium BC, new resources began to be valued such as Asian and African Ivory, Baltic and Sicilian amber, and copper-based metal products. The variscite cycle thus started with the decline of jade in the 5th–4th millennium BC, and ended with the appearance of copper, ivory and extra-peninsular amber by the end of the 3rd millennium BC.
Green objects of personal adornment were quite common among Neolithic and Copper Age groups in Western Europe, and variscite was one of the minerals that was most often used for such a purpose. This article presents the results of a series of archaeological campaigns designed to study the mines of Aliste and the ornament production loci of Quiruelas de Vidriales (both in the province of Zamora, Spain). We discovered that initially, during the fourth millennium cal BC, variscite from Aliste was seldom used and the ornaments’ production was dispersed, but that there was a significant shift during the third millennium cal BC: ornament production intensified and became concentrated in the production sites of Quiruelas. We relate this transformation to the socioeconomic processes that developed in the Iberian Peninsula and the growth of supra-regional socio-technical artefact exchange networks.