Cervandonite-(Ce), Muscovite
Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland
Radial aggregate of flattened, typically curved, trigonal cervandonite crystals, showing a dark blue to almost black color, on white albite crystals and very light brown, transparent, pseudo-hexagonal crystals of muscovite. Collection and photo by Gianfranco Ciccolini. Nikon D750, two bellows, Luminar 25 mm, total opening.