uranium doesn't matter, its fairly common. It's enriching that uranium that is held closley and is considered the 'Hard' part. Fun fact; This was the key measu

uranium doesn't matter, its fairly common. It's enriching that uranium that is held closley and is considered the 'Hard' part. Fun fact; This was the key measure in obamas iran deal. The US would give them the enriched uranium if they shut down their nuclear research.