I once visited this location near Roth and found quite some material, but obtained the Günterblassite at a fair as the spot that had this mineral is long gone. I bought it purely for the name of the material, a well known collector that I met a few times.
Günterblassite
Günterblassite
GünterblassiteGünterblassite
Gismondine Florkeite Biotite Nephelline Apatite Pyroxene group