Specifically the mineral's locality is: Arsenatnaya fumarole, Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia.
The crystals are compact spherical aggregates forming orange clusters up to several millimeters on white anhydrite crystal crusts. This specimen has been verified and studied by Dr. Igor Pekov.