Radioactive room.
Descuido mine, Barranco Hondo, Pechina, Almería, Andalusia, Spain
Room covered with gypsum, where we have concentrated the different mineral species of uranium, which we observe thanks to the chance of approaching a geiger counter. We were able to collect different samples, which today, except for metaheinrichite, which is published for Sierra Alhamilla, are pending analysis.
This was the first obseravtion of ...