URANIUM GLASS
Yellow Diana jug juicer
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With this page I am listing glass juicers (reamers and squeezers) that glow under UV light.
Most thumbnails link to each of the juicer's pages for more details.
Colours that glow under UV light.
You might only expect to see green and yellow glass react to UV light. However, in the collection you will find other colours that react to UV light. Even some clear glass has uranium oxide, as well as other possible additives, that will glow under UV light.
Note
  • The colour and intensity of the excited reaction varies. In some cases it is just the result of different UV lights used. Other times it could be the result of the quantity of the additive used when the glass was manufactured.
  • Keep in mind that this is not always because of Uranium Oxide. Hence, as well as a UV light, a geiger counter is a must for the serious collector.
What additives will cause glass to glow.
Uranium oxide
 The glass will glow a yellow green colour under UV light. The intensity of the glow depends on the percentage amount of uranium oxide used.
Selenium Glass that contains Selenium - glows orange under UV light. Often used in conjunction with Cadmium.
Cadmium Glass that contains Cadmium - glows yellow under UV light.
Manganese Glass that contains manganese - glows green, red-orange under UV light
Others There are many additives, along with elements naturally occurring in the sand used, that will glow under UV light.
 
Green - Yellow - Jadeite - Custard - Blue - Orange - Red -

An example of different reactions under UV light

These 3 orange squeezers were made by Crown Crystal Glass Co. Ltd. (Australia) from 1929 - post WW2(?). While they are basically the same the colour varies as a result of chemicals added to give a different shade of green.
Crown Crystal Glass Co. Ltd. (Australia)
Crown Crystal Glass Co. Ltd. (Australia)
   Crown Crystal Glass Co. Ltd. (Australia)
Crown Crystal Glass Co. Ltd. (Australia)
Crown Crystal Glass Co. Ltd. (Australia)
  
Crown Crystal Glass Co. Ltd. (Australia)
Green
Does not react, or, a mild glow under UV light

Green
 A strong yellow green glow under UV light

  
Bottle green
A mild glow under UV light
Conclusion - contains manganese
Conclusion - contains uranium oxide
Conclusion - contains manganese

 

Green glass
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Image needs replacing
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Requires update with UV image
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Yellow glass
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Jadeite - green milk glass
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Other colours of glass
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Glass that glows because of other additives
Some links are to temporary images
Cadmium/Selenium
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Not determined and possibly Manganese
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Awaiting check
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