“Group of yellow kasolite crystals inside a quartz cavity.
Tiny covellite crystals are also present.
This photo was originally published in:
Alves, P., Marques de Sa, J., and Marques de Sa, C. (2017) Minéralogie de la mine de Pinhal do Souto, Mangualde, Région centre, Portugal. Le Règne Minéral, 138, 42-54.”
Pedro Alves - 17th January 2018