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Solid osmium is safe and non-toxic for humans, used in jewelry and bullion without health risks.
However, powdered osmium becomes deadly when it reacts with oxygen, forming osmium tetroxide, a highly toxic compound found only in laboratories.
Osmium tetrachloride is another dangerous osmium form requiring careful handling.
All commercial osmium jewelry and bullion are made from solid crystalline osmium, which is chemically inert and completely safe.
Unlike gold and platinum, osmium cannot be eaten as it oxidizes with air or heat. Osmium allergies are rare and distinct from the toxic affect it causes.
Osmium isn’t radioactive despite it having a few radioactive isotopes.
Take this quiz and learn about osmium’s toxicity and its radioactive properties.
Is Osmium Toxic to Humans? Or is it Safe?
No, osmium isn’t toxic to humans in its solid form.
Osmium in powdered form is toxic to humans because it reacts with the oxygen in the air and produces a deadly compound called osmium tetroxide.
Powdered osmium is a substance you’ll only encounter in a chemist lab and in real world you won’t find it anywhere.
You also won’t be able to turn your solid osmium jewelry into powder given that osmium is one of the hardest metals in the world (Mohs scale 7.0).
Another, less known toxic osmium compound is osmium tetrachloride.
Osmium tetroxide is a volatile, crystalline solid that is extremely toxic and used as a strong oxidizing agent and a fixative in electron microscopy.
It’s a colorless to pale yellow solid with a pungent, chlorine-like odor. Due to its high toxicity and volatility, it is handled with extreme caution, often sold in sealed ampules, and used in well-ventilated areas.
Osmium tetrachloride is an osmium compound you’ll never encounter in the open world unless you work in a chemistry lab or you buy it from a specialized supplier.
Be very careful with osmium tetrachloride as it’s highly toxic to you as a human.
Is Osmium Toxicity the Same as Osmium Allergies?
No, osmium toxicity and osmium allergies aren’t the same.
Toxic osmium forms are dangerous to everyone, but not everyone is allergic to osmium.
In fact, most people aren’t allergic to this noble metal, but some are.
Is Osmium Jewelry Toxic and Dangerous to Humans or Not?
No, osmium jewelry isn’t toxic and dangerous to humans, it’s safe.
Osmium in its sold form is 100% safe and can’t poison or damage your health in any way.
All osmium jewelry is made from solid (often crystalized) osmium that’s chemically inert and non toxic.
Take a look at the osmium jewelry examples below. These would all by 100% safe and non-toxic if you were to own and wear them.
Is Osmium Bullion Toxic to Humans Or Not?
No, osmium bullion isn’t toxic to humans. It’s safe because it’s made of non-toxic solid osmium.
However, osmium bullion is exceedingly rare on the market. So far only one company sells pure osmium bullion, in 2.5gr and 1 oz bars.
Note: recently I discovered someone selling an investment grade osmium disc. This is a novelty item made of pure osmium and it isn’t mass produced. This mans you can’t have it as part of your investment portfolio.
Is it Possible To Eat Osmium Similar to Eating Gold and Platinum?
No, it’s not possible to safely eat osmium in the way that gold and platinum are used as food additives.
While pure, compact osmium metal itself is inert and non-toxic, it readily oxidizes in the presence of air or heat to form osmium tetroxide, a toxic compound you don’t want to inhale or ingest.
Also, remember that osmium is a very rare precious metal (only 1-2 tons of osmium are mined in a calendar year). The amount that’s mined mostly goes toward industrial application and not towards food consumption.
Below are examples of edible pure gold and pure platinum products.
Similar osmium products don’t exist.
Note: solid osmium pieces that are ingested won’t harm the body. It’s because the body can’t digest them. So, expect that osmium piece to go through the digestive tract and come out of the other end intact, but probably in a need of a good cleaning and polishing.
Particularly large osmium jewelry pieces can get stuck inside the bowel and this it then a medical emergency. You don’t want to risk bowel perforation as it’s a serious health problems.
For example, here’s a piece of crystalize osmium jewelry in a necklace form.
Swallow that and you’ll need to go to the emergency room ASAP.
Is Pure Osmium Toxic to Pets and Other Animals?
Pure osmium isn’t toxic to pets and animals in its solid form.
Osmium in powdered form that oxidizes and becomes osmium tetroxide is toxic to your pets and any animal that comes in contact with it.
Osmium tetrachloride is also toxic to animals.
Note: obviously the two toxic forms of osmium are mainly found in chemical labs, so the likelihood of any animals stumbling upon them is very small.
Is Osmium Radioactive, Yes or No?
Yes, osmium is technically radioactive, but for all practical purposes it’s considered a nonradioactive precious metal.
It’s because osmium’s primary naturally occurring isotopes are stable and not dangerous to humans.
The natural osmium found on Earth consists of seven isotopes, six of which are stable, while the seventh, osmium-186, has an extremely long half life making it stable enough to be non-radioactive under normal circumstances.
However, other, less common isotopes of osmium exist and these are radioactive and dangerous to human health.
Radioactive isotopes from the osmium group are:
- Osmium- 191. Osmium-191 is a radioactive isotope of osmium used to produce iridium-191m for medical imaging. It acts as a radionuclide generator, with the parent isotope (half-life of about 15.4 days) decaying into the medically useful daughter iridium isotope with half-life of about 4.96 seconds. This short-lived iridium is used for diagnostic tests, such as radionuclide angiocardiography, to visualize blood flow in the heart.
- Osmium- 193. Osmium 193 has a half-life of about 30.11 hours and is used in nuclear research to study the properties of iridium-193, which is a stable isotope.
Note: Osmium 186 is also radioactive, but it’s half life is huge and this makes it stable and non-toxic to humans. This osmium isotope is primarily used in scientific research, particularly in nuclear physics and geological dating.
Is Osmium Toxic and Dangerous to Humans, Yes or No? Is it Radioactive? Can Osmium Jewelry and Bullion Cause Body Harm and Toxicity? Conclusion
Solid osmium is non-toxic and safe for humans, commonly used in jewelry and bullion without health risks.
However, powdered osmium becomes dangerous when it reacts with oxygen to form osmium tetroxide, a highly toxic, volatile compound with a chlorine-like odor.
This deadly substance, along with osmium tetrachloride, is only found in laboratory settings and handled with extreme caution.
Osmium jewelry and bullion made from solid crystalline osmium are completely safe to wear and handle since the metal is chemically inert in this form.
Unlike gold and platinum, osmium cannot be safely consumed as osmium in it’s powdered form oxidizes when exposed to air or heat.
While osmium allergies are possible, they’re extremely rare and different from osmium toxicity. The same safety principles apply to pets and animals.
Finally, osmium isn’t radioactive and is safe for humans in that regard.
References:
- Osmium tetroxide- https://en.wikipedia.org/wiki/Osmium_tetroxide
- Osmium(IV) chloride- https://en.wikipedia.org/wiki/Osmium(IV)_chloride
- Metal Allergy and Systemic Contact Dermatitis: An Overview- https://pmc.ncbi.nlm.nih.gov/articles/PMC3369403/
- Crystalline Osmium: Discover the Rarest Precious Metal on Earth- https://www.katerinaperez.com/articles/crystalline-osmium-rarest-precious-metal-intriguing-jewellers-watchmakers
- 25 Loose Leaves Booklet 24ct Pure Edible Gold Leaf 80 x 80mm- https://www.ediblegold.co.uk/collections/24ct-pure-gold-leaf/products/25-loose-leaves-booklet-24ct-pure-gold-leaf
- Edible Platinum Flakes- https://www.slofoodgroup.com/products/edible-platinum-flakes
- Osmium .9995 2.5 Gram Bar- https://www.luciteria.com/bullion/p/osmium-gram-bar
- Osmium .9995 1 oz Bar- https://www.luciteria.com/bullion/p/osmium-ounce-bar
- Osmiumcrystal necklace- https://metametals.com/osmium-necklaces
- Reported Radioactivity of Osmium- https://www.nature.com/articles/1611019a0
Nikola Roza
Nikola Roza is a blogger behind Nikola Roza- SEO for the Poor and Determined. He writes for bloggers who don't have huge marketing budget but still want to succeed. Nikola is passionate about precious metals IRAs and how to invest in gold and silver for a safer financial future. Learn about Nikola here.
