Emeritus Class Lapidary Reference Pages

The following information is taken from a PowerPoint presentation of C. Grundke demonstrating the step by step procedure for one of the methods used to shape a cabochon. The critical objective is to be symetrical and this procedure help attain that goal.

Thank to Wanda Matjas for photographing the steps.

The following details can be referenced via this web link;

  1. Step 1 - Making the Preform
  2. Step 2 - Reference Lines & Dop
  3. Step 3 - Rough Grinding Shape on Diamond Wheels
  4. Step 4 - Final Grinding on Sanding Drums
  5. Step 5 - Polish and Reverse Bevel




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