Re: Elegant Depression Glass

Is this Depression Glass? My geiger counter isn't working so I really can't check for sure... It is clear glass in normal light, but it fluoresces blue under a UV black light!

Category:

Science & Technology

Tags:

• uranium
• depression
• glass
• amethyst8teen
• polonium9
• help
• blue
• radioactive
• doped
• fluoresce

[FissionableFusion]

Your glass appears to be just plain lead crystal. Most lead crystal glasses do exhibit a blue tint.

[amethyst8teen]

You're probably right, I went through all of my glasses and found a few others that did as well, darn...

[DURound]

I wonder what additive makes it blue.

[amethyst8teen]

Me too!

[Vitreophilus]

Looks like just a mass-market crystal tumbler. Sometimes what you see is the glass simply reflecting the blacklight...not actual glowing from uranium oxide content. Also, the "blacklight test" does not prove age...much of the reproduction glassware that hit the market in recent years is the vaseline color and it also glows fiercely under blacklight. Basically, if they could do it 100 years ago, they can do it today.

[amethyst8teen]

My geiger counter has something wrong with the probe plug in, I ordered another probe and it still isn't working.

[DURound]

test

[DURound]

I do not think it's cobalt glass. Cobalt glass is dark blue in daylight.

I think Gold added to glass makes a blood red color in daylight.

Uranium makes it look a kind of pinkish green and it fluoresces green in UV.

Don't know what fluoresces blue. Maybe tungsten or calcium

[amethyst8teen]

I'll have to try it, but I don't have any other blue depression glass to check it with.