Mineralogy and geochemistry of multi-coloured sapphires at the Portezuelo de Pajas Blancas' deposits, northern Chile: revealing crystal growth processes. - Miranda-Díaz, Gustavo; Menzies, Andrew; Riveros-Jensen, Karl; Heide, Gerhard; Bußmann, Lena; Härtel, Birk; Tagle, Roald; Medina, Eduardo; Griem, Wolfgang (International Journal of Earth Sciences, 2024)