The following is the POV Code for the copper texture

//----------------------------------------------------------------------
// Copper Texture
// Created By Michael Raiford

#declare copper_micro_norm = normal
{
   spotted .5 scale .3

   slope_map
   {
     [0 <1,0>]
     [0.3 <1,0>]
     [0.9 <0,0>]
     [1 <0,0>]
   }
}


#declare chinks = normal
{
   spotted .5 scale 1

   slope_map
   {
     [0 <1,0>]
     [0.60 <1,0>]
     [0.90 <0,0>]
     [1 <0,0>]
   }
}

#declare copper_norm = normal
{
   spotted 1 scale .0125

   normal_map
   {
     [0 copper_micro_norm]
     [.6 copper_micro_norm]
     [.6 chinks]
     [1 chinks]
   }
}

#declare t_copper = texture
{
   pigment {color rgb <0.9,0.66,0.42>*1}
   finish {
     diffuse 0.07
     specular 1 roughness 0.0005
     reflection {0.7,1  metallic}
     conserve_energy
     metallic
   }
   normal { copper_norm }
}

-- 
~Mike

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