AMETHYST Las Vigas scepter crystal formation - Lot AAMETHYST Las Vigas de Ramiriz Crystal formation The most valuable and sought after amethyst crystals come from a few mines close to the village of Piedra Parada, which is in the municipality of Tatatila, Mexico and are brought to the town of Las Vigas, Veracruz, Mexico for selling. They are sometimes referred to as Veracruz amethyst but most commonly are simply called "Las Vigas Amethyst". Piedra Parada means "standing rock". It is a small village