[Jewelry making - Article 00603] - Re: [Orchid] Safe Pearl Drilling

[Susan Ronan]

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Hi Veronica,

    It is a simple matter to enlarge holes in pearls, and the thing to
    keep in mind is not to overheat them. I have no experience with
    burning them, but do suggest that you take your time in completing
    the process. Medium speed is okay, but frequently remove the bit and
    the debris which will help to keep them cool. Working under water is
    also a good idea as it keeps the pearl and the bit cooler, and also
    serves to capture the dust generated by the process, which like other
    organics, is just not good for you. 

    Be cautious in re-drilling valuable pearls. As a precaution drill
    from both ends to the center, as you can blow out the far end if you
    attempt to drill all the way through from one side. Practice on an
    inexpensive pearl to build your confidence in the process. 

Susan Ronan
Coronado, CA

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