Iodargyrite
Mizpah Mine, Tonopah, Tonopah Mining District, San Antonio Mountains, Nye County, Nevada, USA
Sharp 3 mm crystal of sulfur yellow iodargyrite, showing hemimorphic habit, from the Mizpah Shaft, Tonopah.
W.M. Keck Museum/Mackay School of Mines collection, Ben Schumer photo.