How Did You Test The Gold Bar?

[Pichkaari]

I have read through some posts in kitco forums bout tungsten being used inside the gold bars...tungsten coated withgold?? especially 5oz ...has any brought recently and did test them ? 

[Pichkaari]

ltt

[mukunda1]

[puli_keka]

janalu aa american eagle gold coins ee anukunna gold bar lu kuda kontunnara