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LAPIDARY AND BLACK OPAL



Searching for opal / A piece of rough opal / Cut and polishing / A beautiful finished black opal
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Lapidary Explained

Lapidary is the art of cutting and polishing semi-precious and precious stones.
  1. Select a rough sample.
  2. Cut off any waste and start shaping on the course cutting wheel.
  3. Flatten the back of your new gem (in the making) on the flatlap disks or on the cutting wheel.
  4. Warm your new gem and place it on top of a warmed dop stick, which is a piece of wooden doweling about half the length of a pencil with jewellers wax on one end.
  5. After the wax has set start working the stone on the cutting wheels progressing through the grit levels.
  6. Each stage removes the scratches left by the stage before the final stage, the polisher is a soft wheel with a cutting powder mixed with water on it.
  7. Place your gem on it's stick in your freezer over night to release the gem from the wax.
  8. The Final job to do is finish the back of the stone, dop the front of the gem and repeat the above.



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