What is "freieslebenite"

Freieslebenite \Frei"es*le`ben*ite\, n. [Named after the German chemist Freiesleben.] A sulphide of antimony, lead, and silver, occuring in monoclinic crystals.

n. (context mineral English) A rare opaque sulfide mineral of antimony, lead and silver with the chemical formula AgPbSbS₃.

Freieslebenite is a sulfosalt mineral composed of antimony, lead, and silver. Sulfosalt minerals are complex sulfide minerals with the formula: ABS. The formula of freieslebenite is AgPbSbS.

Freieslebenite was discovered in approximately 1773 in the Himmelsfurst mines of Freiberg, Saxony, Germany. The mineral was initially called Schilf-Glaserz; however, in 1845 it was given the current name Freieslebenite after the Mining Commissioner of Saxony, Johann Carl Freiesleben (1774–1846).