Bone can be dyed almost any color using fabric dye. It can be easily carved or scrimshawed, and some people paint pictures on it. Bone is the perfect ivory substitute, as its color--like ivory--mellows with age. Sizes, shapes and colors may vary with handcrafted items.
Cabochons>Bone>WhitesCabochonsBoneWhites20mmRound20mmBleachedhttp://www.firemountaingems.com/itemdetails/h201249cbH201249CBCabochon, bone (bleached), ivory, 20mm hand-cut calibrated round, Mohs hardness 2-1/2. Sold individually.//image1.fmgstatic.com/images/p1249cbb.jpg7.337.33As Low As $3.19 per cabochon