Chud3: Sure thing, friendo! Einsteinium is only produced in milligram amounts in laboratories and in nuclear tests, and it has a half-life of roughly a year. It decays so fast, it simply doesn't exist in nature. Glad I could help! https://books.google.com/books?id=j-Xu07p3cKwC&pg=PA133&redir_esc=y#v=onepage&q&f=false
http://pubsapp.acs.org/cen/80th/einsteiniumfermium.html?
http://pubsapp.acs.org/cen/80th/einsteiniumfermium.html?