“Crystals of rodalquilarite in a cavity with jarosite in the center of the specimen, with visible gold across specimen. There is an area of grey paratellurite with some small yellow patches of tellurite, with rodalquilarite and gold (all these minerals come from the alteration of the krennerite).SEM and X-ray diffraction analysis performed at the Universidad Autónoma de Madrid.”

“Detail of the rodalquilarite with jarosite in the main cavity at the center of the specimen.”