Uranium (chemical element U, better known as U3O8) in its pure form is a silvery white metal of very high density -- even denser, than lead. Uranium can take many chemical forms, but in nature it is generally found as an oxide (in combination with oxygen). Triuranium octoxide (U3O8) is the most stable form of uranium oxide and is the form most commonly found in nature.
This is an article written by Doug Beattie, written and published elsewhere on January 30, 2019. He was so generous to let me republish this article and others on my new website under construction, uraniumstocks.com (still a work in progress as it seems impossible to find a free data feed for the uranium stock table), and now I decided to publish it here as well as I find his knowledge and experience impressive, under the condition that I would make several things clear for readers before they continue with the article: