
Stibnite
Stibnite sometimes called antimonite, is a sulfide mineral that crystallizes in an orthorhombic space group. It is the most important source for the metalloid antimony, this specimen comes from China.
The name is derived from the Greek στίβι stibi through the Latin stibium as the former name for the mineral and the element antimony.
Pastes of Sb2S3 powder in fat or in other materials have been used since 3000 BC as eye cosmetics in the Mediterranean, in this use, it is called is called kohl. It was used to darken the brows and lashes, or to draw a line around the perimeter of the eye.
Antimony trisulfide finds use in pyrotechnic compositions, namely in the glitter and fountain mixtures. Needle-like crystals, "Chinese needles", are used in glitter compositions and white pyrotechnic stars. The "dark pyro" version is used in flash powders to increase their sensitivity and sharpen their report. It is also a component of modern safety matches.
Locality
Hunan, China

Streak
Lead Gray
Hardness
Formula
2
Sb2S3
Habit
Massive, radiating and elongated crystals. Massive and granular