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Eudialyte Short Version

You may hear in conversation, or readelsewhere, that Eudialyte is radioactive.

Thisnote is designed to reassure you that the tumble stones of Eudialyte you buyfrom He Hi She Lo are safe to handle and to outline some basic facts aboutradioactivity for you.

So let's geton and ask the all important question right up front,

IsEudialyte radioactive ?

Yes. Eudialyte is described as "mildly radioactive".

Doesn't that mean then that Eudialyte is dangerous to hold- possibly even lethal ?

No.There are varying degrees of radioactivity and the amount of radiation givenoff by Eudialyte is very small indeed when compared to other normal everydayactivities that bring us into contact with other forms of radiation.

Itis generally accepted that the annual safe dosage for an adult worker withinthe nuclear industry (i.e. someone working within a nuclear power station,working on nuclear research at a university, working as a medical doctor withradiotherapy equipment etc) is considered to be 50,000 mrem's per year via thehands and extremities, 15,000 mrem's per year via the eyes and 5,000 mrem's peryear if the whole body is exposed. Pregnant mothers should not expose theirunborn babies to more than 500 mrem's per year.

You'll seefrom the chart below that holding one of the 10 gram tumble stones of Eudialyte,continuously, day and night, for a year, means that your radiation doseis still well, well, below these figures.

Type of Radiation for comparison

mrem's per year

Annual safe adult dosage for the hands and extremities


Annual safe adult dosage for the eyes


Annual safe adult dosage if the whole body is exposed


Annual safe dosage for unborn baby


Lethal Dose of Radioactivity, assuming no medical treatment is received


Holding a 1 gram piece of Eudialyte continuously for one year


Holding a 10 gram piece of Eudialyte continuously for one year


Holding a 10 gram piece of Eudialyte all day and all night for 24 hours


Dental X-rays (figure is per individual X-Ray i.e. 2 per year = 18.80 mrem)


Chest X-Ray (figure is per individual X-Ray)


10 flights per year as an airline passenger


Watching TV


Smoking cigarettes


Working in a building built predominantly from Granite


Natural background radiation


This information is meant to reassure you, not to put you off - and after all,some people do actually wear Eudialyte jewellery, and Eudialyte has been apopular mineral with collectors for years.

Asfar as we are aware, no other crystal seller provides any guidance on theradioactivity of Eudialyte that they may sell. We have researched all of thisinformation for you so that you can truly make an informed decision.

Information was researchedfrom these web based resources

UK Government Health Protection Agency(previously the National Radiological Protection Board)

UK Department of The Environment. OccupationalRadiation Exposure Report 1992-1994

Washington State University

North Carolina State University

Canadian Centre for Occupational Health andSafety


The First Responder Institute, Maryland

University of Liverpool