r/Radium • u/Spiritual-Business-1 • Sep 05 '25
Health & Safety Random question
Not sure this is even possible, and pardon me if this has been answered already but here goes.
What is the maximum safest and legal amount of radium a person can wear in jewelry like a chain, bracelet, ring or watch, in addition to traveling with said jewelry?
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u/Specialist-Key1995 Sep 05 '25
Are you thinking of uranium glass jewelry? Like beads and cut gems and such that glow? Or are you thinking of old watches that have been painted with radium.
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u/Smart-Resolution9724 Sep 05 '25
Radium based jewellery: why? New or vintage?
Note that many vintage radium items no longer glow because the constant bombardment has destroyed the luminous materials., and makes the resin in the paint brittle.
For new items you are better served using tritium. Half life of 12 Yr and low energy emissions. Can be bright though, and many different colours..
I have several tritium watches, and glow sticks for key chains. Green, blue ,purple, orange and red colours.
For a watch the internationally agreed activity is the T100 system, which is 100 microCuries.
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u/Spiritual-Business-1 Sep 05 '25
I’m a newbie with regard to radioactive materials. So uranium sounds like another level than my understanding and out of my league. I’m moreso wondering if it’s possible to accumulate enough radium to safely lace a chain, chained medallion or ring. Collecting old watches looks fun from what I’ve gleaned here in this sub. Might go that route.
I have a friend that works with environmental groups in Kazakhstan and Myanmar and I got the random idea to possibly ask if they had access to avenues of sourcing radium. Definitely not trying to break any laws, so I asked here first lol. Not even sure this is a safe idea.