Glass Message Board
Glass Identification - Post here for all ID requests => Glass => Topic started by: Trebor on December 03, 2012, 09:16:58 PM
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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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Are you sure it's uranium? Have you tested it with a UV light?
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Hi Christine
Yes but it dos not show up on the camera and is more yellowish than green.
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If the glow is yellowish, then it's not uranium. It has to be bright green.
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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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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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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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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.