what is californium used in
Merge this question into. Split and merge into it. Answered by The Community. Making the world better, one answer at a time. Californium is used for only a few things. It is used in a device called a neutron gauge. it is also used to find things about gold and silver.aking the world better, one answer at a time. Californium is used for only a few things. It is used in a device called a neutron gauge. it is also used to find things about gold and silver.