Berkelium is not a commercial product.
$185 × 10^9 per kilogram according to the CRC Handbook (ORNL) in 2004
Berkelium is not a commercial material.
the cost of chromium is around $97.68 per pound
The total production of berkelium, around the world, during the last 60 years, was only some grams.
cost= $60 per gram
what is the cost of niobium per gram
$.23 per gram $.23 per gram
Boron costs about $5 per gram
As far as I know, Berkelium has only been created in microgram batches about twice under extremely fragile conditions for fractions of a second, so I think one gram of it would cost a very very very large amount of money, say, the price of Germany?
It costs 1.20$ per gram
Xenon costs about $12.00 per gram.
$2.00 per one gram