Baron
Axel Fredrik Cronstedt (
/kroonstet/ December 23, 1722 – August 19, 1765) was a
Swedish mineralogist and
chemist who discovered
nickel in 1751 as a mining expert with the Bureau of Mines. Cronstedt described it as
kupfernickel. This name arises because the ore has a similar appearance to copper (kupfer) and a mischievous sprite (nickel) was supposed by miners to be the cause of their failure to extract copper from it. Cronstedt named it nickel in 1754. He was a pupil of
Georg Brandt, the discoverer of
cobalt. Cronstedt is one of the founders of modern
mineralogy and is described as the founder by John Griffin in his 1827
A Practical Treatise on the Use of the Blowpipe.