Serpentine is an olive green color and has a smooth or scaly appearance and is the basis of the name from the Latin serpentinus, meaning "serpent rock." Many types of serpentine have been used for jewelry and hardstone carving, sometimes under the name false jade or Teton jade. We are offering a solid carving of a tortoise that measures 4x6.5x3-1/8" tall overall. Separate inlaid eyes. The intricate carving and the serpentine combine nicely and serpentine's natural green color adds to the piece's life-like visual appeal. Exc.