Source : Webster's Revised Unabridged Dictionary (1913)

Glyptography \Glyp*tog"ra*phy\, n. [Gr. ? carved + -graphy: cf.
   F. glyptographie.]
   The art or process of engraving on precious stones. [R.]

Source : WordNet®

glyptography
     n 1: carvings or engravings (especially on precious stones) [syn:
           {glyptic art}]
     2: carving or engraving (especially on stones)