Prep. Made by fusing the ore, to separate it from impurities, and afterwards reducing it to powder.
Prop. & Comp. It occurs in crystalline metallic-looking masses, which have a striated appearance, and are of a steel-grey colour. The composition in Sb S3. It is soluble in boiling hydrochloric acid, giving off sulphuretted hydrogen; the solution is precipitated when thrown into water, a white oxychloride of antimony being formed.