Silicon chips.

 
Silicon powder (5N).

 
Piece of polycrystalline silicon.

 
Czochralski grown silicon crystal.

 
Silicon wafers (different diameter).

 
Czochralski technique silicon crystals ( boule).

 
Polycrystalline piece of Silicon, interesting surface!

 
Sputtering target(?) made of silicon.

 
Cylinder made of single crystalline silicon.

 
Silicon crystal (pulled without rotation).

 
Cube made of polycrystalline Silicon.

 
Top of large single crystalline Silicon boule.

 
Monocrystalline solar cells.