Cesium trades at $160 ish per gram
ok so lets say perhaps we have 1 Metre square of this stuff 50 meters under ground
not too hard to get to
100x100x100 x 1.8 ( the molecular weight of Cesium ) x $160 the going market price
and you can do the rest
PIO Price at posting:
2.1¢ Sentiment: Buy Disclosure: Held