Hradiště, Bžany, Teplice District, Ústí nad Labem Region, Czech Republic
Kaolinite "anauxite" aggregate with pearly lustre in clay rock. Size is given by 1 mm line. Collection of author.
© Jakub Jirásek, 2007
Kaolinite "cimolite" pseudomorphoses after augite in clay rock. Size is given by 2 mm line. Collection of author.
Outcrop of altered volcanic rock at Hradisko near Bílina - locality of "anauxite", "cymolite" and flogopite.