A model showing the crystal structure of vanadyl phosphate

 

A model showing the crystal structure of the mineral barytes, barium sulphate (BaSO4)

 

A crystal structure model of the mineral corundum, otherwise known as alumina or aluminium oxide

A crystal structure model of the mineral Perovskite, CaTiO3

 

A large structure model of calcium iron titanate

 

A model showing the structure of the mineral spinel