Source : Webster's Revised Unabridged Dictionary (1913)

Cacoxene \Ca*cox"ene\, Cacoxenite \Ca*cox"e*nite\, n. [Gr. ?????
   bad + ????? guest.] (Min.)
   A hydrous phosphate of iron occurring in yellow radiated
   tufts. The phosphorus seriously injures it as an iron ore.