Freudenbergite

Freudenbergite is a mineral that is named in honor of Wilhelm Freudenberg, palaeontologist at the University of Tübingen and the University of Göttingen, and curator for mineralogy and geology at the National Collections of Natural History in Karlsruhe. He studied Katzenbuckel rocks. Monoclinic with straight extinction and high birefringence. Brown. Synthetic freudenbergite was crystallized during the lamprophyllite incongruity melting.

Freudenbergite

Freudenbergite is a mineral that is named in honor of Wilhelm Freudenberg, palaeontologist at the University of Tübingen and the University of Göttingen, and curator for mineralogy and geology at the National Collections of Natural History in Karlsruhe. He studied Katzenbuckel rocks. Monoclinic with straight extinction and high birefringence. Brown. Synthetic freudenbergite was crystallized during the lamprophyllite incongruity melting.