Colorful specimen of Sideronatrite from Recklinghausen, Ruhr Coal Mining area, Germany. It comes from the collection of Sandro Maggia, Italy with a label. Sideronatrite is very rare sodium-iron-sulphate. It displays small awesome tufts of orange, acicular crystals of Sideronatrite. They grow in a delicate crust. The color is very pleasing. In superb condition.

Choice Sideronatrite!