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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2006-12-18, 11:22pm
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crystalflipz crystalflipz is offline
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Default How much do I need to reduce to get gold?

I've been playing with Reichenbach reduction glasses lately, mostly in the form of raised stringer decorations. I can usually get the gold/silver metallic shine to come to the surface pretty easily, but when the beads come out of the kiln, the stringer had a duller almost Hematite-like finish from the top, with the metallic shine apparent when the bead is looked at from an angle. Am I reducing the glass too much/too little. I've used several types of black glass as a base, so I don't think the type of glass has any effect on the reduction effects. I'm trying to create a black bead with raised gold stringer scrollwork. Any suggestions?
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  #2  
Old 2006-12-19, 12:01am
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Kikki Kikki is offline
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Larry Scott told me in the class I took with him that the final colour of the reduced stringer depends on your base bead colour. The reduction stringer is a transparant and the light relects through the glass and bounces of the base bead back into the reduction stringer.
So, with some base bead colours you get more of a silver stringer and with others gold. All according to Larry! I haven't experimented much with this yet.

But I think it sounds like you are reducing to much if you get a hematite look to the stringer!
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Old 2006-12-19, 12:29am
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Kevan Kevan is offline
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You also might have something going on in your kiln. Maybe it's reducing them further during the annealing cycle?
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Old 2006-12-19, 12:34am
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Are you using an electric or a gas kiln? What size is the inside of the kiln/annealing chamber?
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Old 2006-12-19, 8:19am
WeeMary WeeMary is offline
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I've read that a tiny amount of charcoal in the kiln keeps the finish, takes oxy out the kiln atmosphere.
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