Ammonite pendant Once you've tried a few easier pendants, I challenge you to try one that is a bit trickier! This ammonite cabochon is much thicker than the usual cab that you might buy for a pendant. Check out the tutorial to see how to deal with this challenge! The tutorial is in two parts. 2018 Cyndi Lavin. All rights reserved. Not to be reprinted, resold, or redistributed for profit. May be printed out for personal use or distributed electronically provided that entire file, including this notice, remains intact.