Body centered cubic (BCC) structure elements .
Ba, Cr, Cs, Eu, a-Fe, K, Li, Mo, Na, Nb, Ra, Rb, Ta, V, W .
  .
Crystal lattice/polyhedral framework .
     The BCC crystal lattice and polyhedral framework can both be modeled as two .
interpenetrating expanded CP lattices as shown previously. .
.      
 

bcc.gif

   
    Figure  48 -  BCC elements lattice/
      polyhedral framework structure
.
                  click image to enlarge
                
       
.
Cleavage .
     (100) - parallel to the close packed layers
.
Simple cubic (CP) structure elements
Mn, a-Po
.
Crystal lattice/polyhedral framework
     Same as shown previously.
       
 

cp_lattice.gif

   
     Figure 49 -  CP elements lattice/
     polyhedral framework structure
 
 

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