“A brown crystal, rich in faces, of a mineral belonging to the group of humite, grown on calcite spheres and, on the other, a little to the left, an aggregate of thin crystals, lemon yellow phlogopite. Collection and photo by Gianfranco Ciccolini. Nikon D750, bellows, Luminar 25 mm.”

“A brown crystal, rich in faces, of a mineral belonging to the group of humite, grown on calcite spheres and, on the other, a little to the left, an aggregate of thin crystals, lemon yellow phlogopite. Collection and photo by Gianfranco Ciccolini. Nikon D750, bellows, Luminar 25 mm.”