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[ajohn]

A treated jar and a sun colored jar are different and seem to have different values. Sun colored jars are more natural. the amethyst color is caused by exposure to the sun's UV rays, is more suttle . A treated jar is one that is exposed to high intensity UV, usually in a hospital in machines that blast instriments to disinfect them, or long period under a UV light. IT's easy to tell because of the intensity of the color. many in this hobby look down on treated glass because it is not natural hence lower value. Personally, I really like the treated ones,.... but don't tell anyone.

 

[ajohn]

PS. really like your jar there. Looks like a RB#193. good value too!

 

[Kheidecker]

A treated jar and a sun colored jar are different and seem to have different values. Sun colored jars are more natural. the amethyst color is caused by exposure to the sun's UV rays, is more suttle . A treated jar is one that is exposed to high intensity UV, usually in a hospital in machines that blast instriments to disinfect them, or long period under a UV light. IT's easy to tell because of the intensity of the color. many in this hobby look down on treated glass because it is not natural hence lower value. Personally, I really like the treated ones,.... but don't tell anyone.

Lol your secret is safe with me.im still learning. I'm 39 years old and never ever thought I'd be so fascinated with jars.

 

[ajohn]

Here's another variant

 

[ajohn]

Then there's color

 

[Kheidecker]

Then there's color

. Curious on the value of that are B 193
The swirling in that jar is absolutely beautiful. Ordered a red book says it'll take up to two weeks

 

[ROBBYBOBBY64]

It is not treated it is aqua colored.

 

[ROBBYBOBBY64]

A july 14 1908 pat ideal ball half gallon very blue. Also a square ideal ball pint size.

 

[ROBBYBOBBY64]

A couple lightning jars one quart putnam 6 and a pint putnam 357.

 

[ROBBYBOBBY64]

One of my favorites is the telephone jar. From whitney glass works. Very clean dispite the rust on bail.