• [Pitchblende] consists of a peculiar, distinct, metallic substance. Therefore its former denominations, Pechblende, pitch-iron-ore, &c. are no longer applicable, and must be supplied by another more appropriate name. I have chosen that of Uranium, as a kind of memorial, that the chemical discovery of this new metal happened in the period of astronomical discovery of the new planet Uranus.

    "Analytical Essays towards Promoting the Chemical Knowledge of Mineral Substances" by Martin Heinrich Klaproth, London: Cadell & Davies, 1801.