1. 
   Mabe pearls
   Formed when a half-bead is cemented to the mollusc's inner shell. The mollusc covers the half bead with nacre and when the shell is cut off, the bead is exposed at the back. The bead is removed, the pearl cleaned (to prevent deterioration) and the remaining hole filled with paste, wax or sometimes w...
   Found op http://www.absolutepearls.co.uk/pearl-jewellery-glossary.php
   
   
2. 
   Mabe pearls
   Formed when a half-bead is cemented to the mollusc's inner shell. The mollusc covers the half bead with nacre and when the shell is cut off, the bead is exposed at the back. The bead is removed, the pearl cleaned (to prevent deterioration) and the remaining hole filled with paste, wax or sometimes w...
   Found op http://www.braybrook.co.uk/jewellery-and-silver-wisdom/gems-of-information/
   
   

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