Variscite ring.
The standing stones of Carnac.
Gavà: castell d'Eramprunyà. Gava is the location of the Neolithic variscite mine.
Made with variscite from Catalonia.
"Neolithic: a geological study on the variscite mines at Gavā, Catalonia. 1 Centro de Geociencias, Universidad Nacional Autónoma de México. Carretera Qro."
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