“A white ball of phillipsite-Ca (on the left) and an aggregate of tabular crystals of willhendersonite (on the right). Collection and photo of Gianfranco Ciccolini. Nikon D610, bellows, Schneider Kreuznach 28mm; f:4. Focal using 5.6. ”
Gianfranco Ciccolini - 22nd April 2016