VOUDOURIS, P.; PSIMIS, I.; MAVROGONATOS, C.; KANELLOPOULOS, C.; KATI, M.; CHLEKOU, E. Amethyst occurrences in Tertiary volcanic rocks of Greece: mineralogical and genetic implications. Bulletin of the Geological Society of Greece, [S. l.], v. 47, n. 1, p. 477–486, 2013. DOI: 10.12681/bgsg.11026. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/11026. Acesso em: 20 dec. 2024.