Adamic

from The Collaborative International Dictionary of English v.0.48

Adamic \A*dam"ic\, Adamical \A*dam"ic*al\, a.
   Of or pertaining to Adam, or resembling him.
   [1913 Webster]

   {Adamic earth}, a name given to common red clay, from a
      notion that Adam means red earth.
      [1913 Webster]