 The metal antimony was known to German chemist Andreas Libavius in 1615 who obtained it by adding iron to a molten mixture of antimony sulfide , salt and potassium tartrate . This procedure produced antimony with a crystalline or starred surface . 
 The metal antimony was known to German chemist Andreas Libavius in 1615 <a href='null_relcl' title='1'><mark>who</mark></a>obtained it by adding iron to a molten mixture of antimony sulfide , salt and potassium tartrate . This procedure produced antimony with a crystalline or starred surface . 
The metal antimony was known to German chemist Andreas Libavius in 1615 obtained it by adding iron to a molten mixture of antimony sulfide , salt and potassium tartrate . This procedure produced antimony with a crystalline or starred surface .