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Author Topic: Help ID this uranium Vase Not baccarat?  (Read 1400 times)

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Offline Trebor

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Help ID this uranium Vase Not baccarat?
« on: December 03, 2012, 09:16:58 PM »
Hi
Can any one please help ID this vase . I think i have seen similar on one of my reference sites but can not find it.But that one had a black rim and was Baccarat . I am not saying this is ,just that was the nearest i could find to it. It is Uranium stands 118mm tall ,and 134mm, across the rim. It has a polished pontal mark and some wear to the base. Thank you  :)
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Offline Lustrousstone

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Re: Help ID this uranium Vase Not baccarat?
« Reply #1 on: December 03, 2012, 09:20:16 PM »
Are you sure it's uranium? Have you tested it with a UV light?

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Offline Trebor

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Re: Help ID this uranium Vase Not baccarat?
« Reply #2 on: December 03, 2012, 09:32:19 PM »
Hi Christine
Yes but it dos not show up on the camera and is more yellowish than green.
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Offline Lustrousstone

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Re: Help ID this uranium Vase Not baccarat?
« Reply #3 on: December 03, 2012, 10:13:39 PM »
If the glow is yellowish, then it's not uranium. It has to be bright green.

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Offline Paul S.

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Re: Help ID this uranium Vase Not baccarat?
« Reply #4 on: December 04, 2012, 12:19:42 PM »
might this be another possible Baccarat opaline piece.......  it has a similarity to the small jug here...
http://www.glassmessages.com/index.php/topic,50027.msg284131.html#msg284131

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Offline Trebor

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Re: Help ID this uranium Vase Not baccarat?
« Reply #5 on: December 04, 2012, 06:08:58 PM »
I have a number of picese of uranium and all go green .I think i read if it gos yellow it has manganese in it? Yes Paul it looks like it especally the base , thank you both. 
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Offline Paul S.

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Re: Help ID this uranium Vase Not baccarat?
« Reply #6 on: December 04, 2012, 07:29:43 PM »
I think from memory that a yellow/orange glow indicates cadmium.      The presence of manganese in clear glass, will show, usually, as a dull greyish green  -  not at all the bright green that you'd get if uranium is present.          Manganese is a decolourant, and is apparent in clear glass for the obvious reason of counteracting the colour produced by iron impurities in the sand.
However, the use of a uv torch is essential to detect the presence of manganese  -  unlike uranium which can be detected in the bright morning or late afternoon sunlight - and according to Dirk by turning the television on ;)
this is a nice piece by the way. :)

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Offline Trebor

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Re: Help ID this uranium Vase Not baccarat?
« Reply #7 on: December 05, 2012, 07:58:49 PM »
Thank you Paul that makes sense has it is only at the thicker part of the base that the colour changes under uv and my wife says is a lighter green and not yellow.
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