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        Summary 
        
         
          
           | Description | 
           
             English: A disc of californium metal. The source implies that the disc has a diameter about twice the thickness of a typical pin, or on the order of 1 mm. 
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           | Source | 
           "Californium" in (2006) THE CHEMISTRY OF THE ACTINIDE AND TRANSACTINIDE ELEMENTS, III (3rd ed.), Springer, pp. 1,518  DOI:  10.1007/1-4020-3598-5_11. | 
          
          
           | Author | 
           United States Department of Energy (see  File:Einsteinium.jpg) | 
          
         
         
        Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This image is a work of a  United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a  work of the  U.S. federal government, the image is in the  public domain. 
           Please note that  national laboratories operate under varying licences and some are not free. Check  the site policies of any national lab before crediting it with this tag. 
            
           
            
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):