Cronstedt, Swedish mineralogis

Cronstedt A (1788) An Essay Toward a System of Mineralogy (translation from Swedish). Dilly, London... 

Cronstedt, Axel Frederik (1722-65) Swedish mineralogist who in 1751 was the first to isolate nickel. He then demonstrated its magnetic properties. Cronstedt wrote an influential work. Essay towards a System of Mineralogy 7 58), in which he suggested that minerals should be classified using their chemical composition. 

Swedish mineralogist Axel F. Cronstedt publishes Essay on the new mineralogy, in which he classifies minerals by chemical structure. 

Cronstedt gave the name zeolite ( cco, I boil, Ldos, a stone) to a mineral species which appears to boil before the blowpipe. He described three new ores of iron, and published on gypsum, platinum, and the manufacture of lime. In his work on mineralogy, first published anonymously in Swedish in 1758, Cronstedt divided minerals into four groups earths, salts, bitumens, and metals (see p. 171), heavy spar marmor metallicum) being classed as a species ... 

---