How to ruin a perfectly good bottle

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MichaelFla

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Saw that earlier today. Fortunately we now know that it can be reversed. I still would never condone ruining a rare (or even a common) bottle by irradiating it. I wish there was a way to make them quit.
 

CanadianBottles

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MichaelFla said:
Saw that earlier today. Fortunately we now know that it can be reversed. I still would never condone ruining a rare (or even a common) bottle by irradiating it. I wish there was a way to make them quit.
WHAT?! It can be reversed?! How?!
 

cowseatmaize

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Maybe it can but the heat to try it isn't worth the trouble. You'd likely end up with a glass blob or a lot or little pieces.[:D]
 

MichaelFla

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A member here did an experiment on two bottles, one a deep purple and the other a sickly yellow. Both came out clear. And I believe he was still a couple hundred degrees below the reflow temperature of the glass. He only went up to 935 degrees. Edit: Removed name
 

MichaelFla

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I didn't remember his name on here, but was hoping he could pop in and give details. It was broadcast on one of the bottle groups on FB, and I believe there was going to be a write-up in one of the bottle magazines. I have been going back through the group posts, but apparently it was too long ago for the post to still be available.
 

MichaelFla

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I finally found the original FB post in a closed group from 9 September 2014. "From [fellow member]'s page....Can the coloring effects of irradiated glass be reversed?We know that the color of glass can be changed by exposing it to high energy radiation. Clear glass containing manganese will turn purple and clear glass containing selenium with turn a grey/amber. It has been reported that the coloring effect can be reversed by exposing the glass to high temperature. Is this truth or myth?I am not aware of anyone documenting this in the past. We will attempt to do an experiment here and document the outcome. The first thing we need are some test subjects. One with manganese coloring and one with selenium coloring. Both have been heavily irradiated.Well folks, HERE ARE THE RESULTS, the purple bottle IS CLEAR AGAIN!!!! [Member] will try the straw colored bottle next, this is a VERY IMPORTANT MOMENT in this hobby!!! ...
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'the critical temperature is the transition point of the glass, around 930F. Hopefully we are staying far below the melting point of the glass. I used 1100F just to be sure we passed the transition temperature.'" Follow up from September 13th: "I'm happy to announce that one of these bottles, along with [member]'s write up will be at the National Bottle Museum in Ballston Spa, the other is staying with me forever. I also told the members of our bottle club at last nights meeting, JAWS DROPPED and I think they were close to giving a standing ovation, no BS!! History has truly been made here in the eyes of many...
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"
 

hemihampton

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Interesting, but my oven only goes up to 550 degrees? LEON.
 

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