Outrageously Funny Word Dictionary :: Hoffmannite

👉 Hoffmannite is a type of mineral that consists of two layers, with the outer layer being a grayish blue color and the inner layer being a white color. It is named after the German mineralogist Friedrich Hoffmann who first described it in 1876. The structure of Hoffmannite is composed of a layered structure consisting of two different phases: an outer shell of aluminum oxide (Al2O3) and a thin inner shell of iron oxide (FeO).

hoffmannite