Top crystal of very rare Morenosite from Tucson area, Pima Co., Arizona. Morenosite is hydrated nickel sulfate. It displays well formed crystal with rounded edges. The Morenosite has saturated and very deep sea-blue color. It is transparent with matt faces. Unidentified white mineral is seen on the back side. Complete all over 360 degree. The specimen must not be washed. In very good condition – some natural imperfections. On acrylic base.

Astonishing!