Which metallic element of Periodic Table has the biggest number of crystalline forms?

[Somebody]

Element-metal, the inorganic compounds of which would form the maximum variety of crystalline forms?

[hypervalent_iodine]

Define what you mean by variety of crystal forms?

[Somebody]

1 hour ago, hypervalent_iodine said:

Define what you mean by variety of crystal forms?

Which had the biggest variety of allotropic modifications)