Lateritious sediment

from The Collaborative International Dictionary of English v.0.48

Lateritious \Lat"er*i"tious\, a. [L. lateritius, fr. later a
   brick.]
   Like bricks; of the color of red bricks.
   [1913 Webster]

   {Lateritious sediment} (Med.), a sediment in urine resembling
      brick dust, observed after the crises of fevers, and at
      the termination of gouty paroxysms. It usually consists of
      uric acid or urates with some coloring matter.
      [1913 Webster]