Read the bio below and try to give details on georg brandt 's: - known for - work institutions - death date - field - birth date - name - nationality - death place - birth place Bio: georg brandt -lrb- 26 june 1694 -- 29 april 1768 -rrb- was a swedish chemist and mineralogist who discovered cobalt -lrb- c. 1735 -rrb- . he was the first person to discover a metal unknown in ancient times . brandt was born in riddarhyttan , skinnskatteberg parish , vastmanland to jurgen brandt , a mineowner and pharmacist , and katarina ysing . he was professor of chemistry at uppsala university , and died in stockholm . he was able to show that cobalt was the source of the blue color in glass , which previously had been attributed to the bismuth found with cobalt . he died on april 29 , 1768 of prostate cancer . about 1741 he wrote : '' as there are six kinds of metals , so i have also shown with reliable experiments ... that there are also six kinds of half-metals : a new half-metal , namely cobalt regulus in addition to mercury , bismuth , zinc , and the reguluses of antimony and arsenic '' . he gave six ways to distinguish bismuth and cobalt which were typically found in the same ores : bismuth fractures while cobalt is more like a true metal . in fusing , they do not mingle but attach about as an almond and its stone . the regulus of cobalt fuses with flint and fixed alkali giving a blue glass known as zaffera , sasre , or smalt . bismuth does not . bismuth melts easily and if kept melted , calcinates forming a yellow powder . bismuth amalgamates with mercury ; the regulus of cobalt does not at all . bismuth dissolved in nitric acid and with aqua regia and gives a white precipitate when put in pure water . the regulus of cobalt needs alkalies to precipitate , and then forms dark or black precipitates .
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- known for is discovery of cobalt- work institutions is uppsala university- death date is 29 april 1768- field is chemistry , mineralogy- birth date is 26 june 1694- name is georg brandt- nationality is swedish- death place is stockholm- birth place is riddarhyttan