There is an extensive collection of minerals, ore deposits, valuable and semi-valuable stones in the Natural history Museum. There are even asteroid pieces, rocks from Mars and from the Moon.


Here is a Uranium deposits from Cornwall, where the mineral was mined from 1873 to 1903.

http://www.cornwall-calling.co.uk/mi...uth-terras.htm

The deposit is properly encased to prevent any radiation from creeping through. Not a beautiful specimen,...