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Exploring the world of radioactivity! Hunting uranium, science, & adventure—from landscapes to antiques. Join the glow!
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Me, my radioactive pants and a bag from @fannies_emporium_antiquecentre right in the heart of Czechia.  What more could you want? taken in Radium Palace by @theuraniumhunter
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2 days ago
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Over on YouTube! I went to Jáchymov and had a radioactive radon bath. And I'm still here to talk about it 🙂 Along the way I discovered radioactive pants, an accidental discovery in 1864 and a water delivery man nicknamed Thunderbolt. Hope you enjoy! taken in Radium Palace by @theuraniumhunter
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2 days ago
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On the channel we are admirers of all geology, and this example of soft/hard rock erosion in Turkey is just outstanding.  And nothing to do with what it looks like. by @theuraniumhunter
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5 days ago
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The people of Jáchymov do brilliant fridge magnets. 

Translation: I survived the radon spa.  Jáchymov Spa - where radon brings smiles. by @theuraniumhunter
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8 days ago
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A massive thank you to @radioactivehunter who gifted myself and Mrs. UH two pieces of uranium 'slag' glass and the large radium-dialed clock, to add to one of my radioactive display cabinets

Think i need a new one! by @theuraniumhunter
2
8 days ago
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Flying Vs Uranium Dumps.

This is the dose readings from the Radiacode app. 

The first bar graph is from a two hour flight (NCL to PRG). The third is an afternoon spent hunting around the dumps of Pribram. 

To the layman, a uranium mine dump sounds like a much more dangerous place than an Airbus A320.  However, strip away a bit of the atmosphere and cosmic rays are far more effective.

This is only gamma radiation, so is more of an illustration than an exact measure.  There's beta and alpha on the dump, and neutrons and muons from  secondary particles in cosmic ray interactions.  But you get the jist. by @theuraniumhunter
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9 days ago
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Take a deep breath... there are 40 species in this Jáchymov display, each one a unique species.  And - honestly - there are even more in the Mint Museum (Královská mincovna v Jáchymově). 

With so many minerals crammed into one post, I have picked out six I feel need to mention:

 1. Uraninite (Pitchblende): The classic primary mineral that started it all.

 2. Studtite: Look at those yellow needles! It's one of the only naturally occurring peroxide minerals (and even forms on nuclear fuel rods!).

 3. Paddlewheelite: Micro-crystals named after their paddlewheel structure, one of the rarest complex carbonate minerals on Earth (described in 2018).

 4. Cuprosklodowskite: Vivid lime-green fibrous sprays of copper-uranium silicate. And hard to say!

 5. Běhounekite & Horákite: Brand-new species to science, both described right here from Jáchymov in the last 15 years.

 6. Realgar & Pararealgar: See that crumbling yellow-orange crust? That’s Realgar turning into Pararealgar.

The Storage Nightmare! ☠️ Not radioactive, but added to show you what can happen to these meta/para minerals.

Jáchymov is the Pokémon of radioactive minerals. Gotta catch them all!

#Jachymov #Geology #RadioactiveMinerals #UraniumMinerals #Mineralogy taken in Královská mincovna v Jáchymově by @theuraniumhunter
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11 days ago
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A stunning colourful array of fluorescent glass and minerals at the Muzeum Královská mincovna in Jáchymov.

Uranium slag glass, beads and formal glassware.

Minerals:

Autunite, Meta-autunite
Uranium barva
Liebigite
Zellerite

Funnily enough the UV wasn't working - good job we brought our own torches! taken in Královská mincovna v Jáchymově by @theuraniumhunter
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11 days ago
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Spotting uranium minerals in a spooky forest would usually be enough, but flipping on the UV torch? Whole different level. 

This velvety yellow formation is uranopilite - like a bumble bee!

Under UV, it explodes into an insanely bright lime green! 💚 And yes... I left it right where it was.

Why? Uranopilite is a total heartbreak mineral. It packs 12 water molecules into its crystal structure. The second you pull it from its damp native microenvironment into dry indoor air, it rapidly dehydrates, crumbling into a dull, powdery yellow dust in a display case.

Some finds are best captured with the camera, appreciated in the moment, and left for the mountain to keep.

#uranopilite #jachymov #fluorescentminerals #radioactiveminerals #geology mineralcollecting rockhounding uvlight insitu gamma fieldwork taken in Nové Město (Jáchymov) by @theuraniumhunter
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12 days ago
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Marie Curie monument and the soil next to it. >30 uSv. taken in Jáchymov by @theuraniumhunter
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13 days ago
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Enjoying a beer at the Radium Palace hotel.  Not every day is a Geiger counter kind of day. taken in Radium Palace by @theuraniumhunter
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14 days ago
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Explored two shafts of the legendary Pribram mines in Czechia.  The brilliant @radioactivehunter and @radzone05 were great company helping me navigate simply the most radioactive place on earth, outside of a reactor. 

Never mind the readings, the sheer scale of the place is just too vast to describe. by @theuraniumhunter
3
14 days ago
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