“A wulfenite crystal that presents two generations of growth: a second generation of wulfenite has almost completely overgrown a pre-existing wulfenite crystal.
Collection and photo of Gianfranco Ciccolini. Nikon D750, bellows, Scheider Kreuznach Componon 80 mm; f: 5.6. Focal using 7.”
Gianfranco Ciccolini - 17th February 2019