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question for the opal cutters out there

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Author Topic: question for the opal cutters out there  (Read 473 times)
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« on: March 30, 2016, 11:12:46 am »

These require backing and a quartz cap in many cases. After the high and low spots have been ground off the opal to produce a flat plate for capping they are often very tiny and really not worth the effort.
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