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jueves, 14 de enero de 2016

Five Radioactive Minerals

Hi mineral lovers ! I'm Adrian and today I'm going to show you five naturally radioactive minerals. So let's begin!

Firstly we have the uranocircite crystal. It's a very curious mineral because is luminescent in dark places. It's also a very strange gem because there are only three deposits: one im Toledo, another in Morvan (France) and finally in Bergen (Germany).
Secondly we have the europium crystal. It's a very radioactive element and it's used to pollute some types of plastics to make lasers. You can find europium in China and USA.
Thirdly we have the Autunite. It is not very radioactive, and you can find it in yellow or green (these are very rare). It's luminescent like the uranocircite and you can find this mineral in North America, Africa, Japan, India, Brazil, Australia and some european countries.
Next we have the metatorbernite. It is composed of cranium and phosphate. The metatorbernite doesn't have any use but it is pretty and fluorescent. The main exporters are the Democratic Republic of Congo and France.
Finnaly we have the pitchblende. This is a very important mineral because Marie Curie used the pitchblende to discover polonium, separating separating radium and uranium from them. You can find pitchblende in the Czech Republic, Canada and Zaire.





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