Source : Webster's Revised Unabridged Dictionary (1913)

Sapphirine \Sap"phir*ine\, n.
   Resembling sapphire; made of sapphire; having the color, or
   any quality of sapphire. ``Sapphirine degree of hardness.''
   --Boyle.

Source : WordNet®

sapphirine
     adj : made of or resembling sapphire
     n : a rare light blue or green mineral; consists of
         aluminum-magnesium silicate and occurs as small grains in
         some metamorphic rocks