One remark - you need something for this gold to reflect, or it will look boring too. My test scene has a skydome and a ground, so the gold can reflect something. You will have to replace the reflect node with a suitable sphere map node, if there is nothing to reflect.

By the way, the number in Math_Functions 3 is the value for the gamma correction. Change it, if the gold looks to intense, or to bright in your scene. Or, better, use gamma correction for all your materials. There is a helpfull thread by BagginsBill here about this.

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