Agate in rhyolite / thunderegg from Germany - fluorescent - old find

€20.00

Agate in rhyolite / thunderegg from the Teufelskanzel, Leistberg, Sankt Wandel, Germany
Partly green fluorescent under LW / strong green under SW (caused by uranyl ions)
Found in the 1970’s. The collecting is strictly forbidden since the 1980’s

Sizes between 5.5 cm and 6.5 cm widht and 3.2 cm and 5 cm hight