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Uraninite is the of the primary ore of uranium. Rare earth metals (lanthanides: elements 57-71) are sometimes contained in uraninite.

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What is the most radioactive rock in the world?

Uraninite, also known as pitchblende, is one of the most radioactive rocks in the world. It is a uranium ore that can contain high concentrations of radioactive elements such as uranium and radium.


What country is actinium found in?

Actinium is found in various countries around the world, primarily in mineral deposits such as uranium ores. It is a rare radioactive element and is typically extracted as a byproduct of uranium and thorium processing.


What special property does the mineral pitchblende have?

Pitchblende (or uraninite) is an important mineral of uranium and is of course radioactive.The hardness on the Mohs scale is 5-6.The density is high, between 10 and 11 g/cm3.


What type of rock is uranium?

Uranium is an element, rather like Iron or Copper. It is the heaviest naturally found element, with a density (per atom) 4.25 times higher than Iron. It is not 'produced' from anything else, merely split into two components, Uranium 235 (which can be used for Fission) and Uranium 238, which cannot, and is mostly discarded. This used to happen using centrifuges (and still does in countries such as Iran), spinning the element so that the heavier Uranium 238 filters to the outside edge, and the lighter U-235 filters to the middle, where it can be skimmed off. Now, (especially in America) powerful magnetic fields are often used used.


What is pitchblende or galena?

Pitchblende is a name for uraninite, a radioactive mineral from which uranium ore is extracted. The composition of pitchblende can include uranium oxide (UO2) and triuranium octoxide (U3O8), along with lead oxide and pockets of helium.Pitchblende is a radioactive, uranium-rich mineral and ore. It has a chemical composition that is largely UO2, but also contains UO3 and oxides of lead, thorium, and rare earth elements. It is known as pitchblende due to its black color and high density. It is also commonly referred to as Uraninite.