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Thread: Half drilling

  1. #1
    Join Date
    Sep 2011
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    955

    Default Half drilling

    Is there a way I can half drill or full drill Click image for larger version. 

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ID:	8913lumps of rough ruby and amethyst so they can take a post for setting, rather than having to construct some sort of collet or other setting? These are lumps about the size of fingernails which are destined for earrings with (of course) pearl drops underneath.
    I had a bit of a rush of blood and bought them last march in Hong Kong - sorting through washing up bowls of small rough lumps to the amusement of the stand staff who said 'we usually sell by kilo weight, not selection' as I ended up with two piece of ruby.
    The plan is hook ear wire + ruby + big drop pearl
    www.Pearlescence.co.uk
    @pearlescenceltd
    instagram: pearlescenceltd1

  2. #2
    Join Date
    Jul 2014
    Location
    Rural Somerset, between Yeovil and Shepton Mallet
    Posts
    201

    Default

    You can use a diamond drill in a pendant drill. Lubricate and cool with water - drill for a few seconds, stop, syringe water, drill for a few seconds, etc etc. Do not force the drill, be gentle and only drill for a few seconds each time - otherwise drill may overheat and crack the stone.


    Sent from my iPhone using Tapatalk
    Barry the Flying Silversmith👍

  3. #3
    Join Date
    Sep 2011
    Posts
    955

    Default

    Sounds similar to how I drilled glass when I had an attack of tumbled 'sea' glass a few years ago..yes?
    Thanks Barry
    www.Pearlescence.co.uk
    @pearlescenceltd
    instagram: pearlescenceltd1

  4. #4
    Join Date
    Dec 2014
    Location
    South Australia
    Posts
    1,351

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    If you have drill press you can clamp the item in a suitable vice and place in a container of water and drill under water using a diamond drill, common method of drilling Opal

  5. #5
    Join Date
    Sep 2011
    Posts
    955

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    Nothing so sophisticated. Pearls don't need that sort of drill
    www.Pearlescence.co.uk
    @pearlescenceltd
    instagram: pearlescenceltd1

  6. #6
    Join Date
    Apr 2010
    Location
    Exeter, Devon
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    1,783

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    I had a go at drilling sea glass, didnt work very well so decided to keep it in a jamjar on the kitchen window cill. I have wire wrapped a couple of bits but would prefer to have a hole in it.

  7. #7
    Join Date
    Sep 2011
    Posts
    955

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    I got a bit of a production line going - put a piece of wood into the bottom of a chinese food container and put water in just to cover the wood, then drilled the glass through and into the wood. Used a pendant drill with a circuit breaker because of the water and it went pretty well.
    Did you use real sea glass or tumbled (I had lots of coloured bits from making lampshades and stuff) I walked for miles along the beach here where I lived and found zilch. Suspect a lot of the sea glass is actually just tumbled.
    www.Pearlescence.co.uk
    @pearlescenceltd
    instagram: pearlescenceltd1

  8. #8
    Join Date
    Apr 2010
    Location
    Exeter, Devon
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    I found it on Exmouth beach where we walk the dogs. When the tide is right it's a lovely walk, and two of our three love swimming, the other one likes running and playing in the shallows.

  9. #9
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    Sep 2011
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    955

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    The real thing! There is so much 'sea glass' around that some at least must be suspect. I knew someone who did glass art who claimed to find it on the beach to customers but I know it was tumbled scrap shards
    www.Pearlescence.co.uk
    @pearlescenceltd
    instagram: pearlescenceltd1

  10. #10
    Join Date
    Apr 2010
    Location
    Exeter, Devon
    Posts
    1,783

    Default

    We don't find much, just the odd bit. Most of it is green, but I have found a light blue and a dark blue bit. You can only wire wrap it really and make a pendant.

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