Teufelslöcher, Jena, Thuringia, Germany
red Quartz (Hyacinthen) in Gypsum size: 6,5 x 3 x 1,5 cm ; X=3mm
© 2011 HGG
Gypsum Pseudomorph rock salt size: 17 x 9 x 5cm
View of the Gypsum crystals on the wall
red Quartz "Hyacinthen" in Gypsum a specialty of this locality
View of the Teufelslöcher 2011
geological explanation of locality in german language