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

€10.00

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 3.5 cm and 5 cm with and 2.3 and 3.2 cm hight