Important blue/green to yellow crystals of rare Willemite from Tsumeb. The Willemite formed in a stalactitic fashion around Goethite. Willemite is one of the holy grail minerals from Tsumeb. This well crystallized specimen actually has 3 distinct colorations of the Willemite - blue green, light green, and yellow/brown. Of the Tsumeb classic minerals, the size and the form of this Willemite make it highly desireable to the connoisseur of classic minerals.