Ther's a new style Ceramic Sharpeners available. The sharpeners are made of aluminum. The surface is converted to a hard aluminum oxide that has the same properties as traditional solid ceramic. They won't break or chip.
Check out the Web sight:
http://www.CeraHone.com
<i>Edited to fix link - D.E.</i>
Check out the Web sight:
http://www.CeraHone.com
<i>Edited to fix link - D.E.</i>