Contractions. - Ant. Crud. Ant.
Synonym. - Stibium Sulphuretum Nigrum.
Present name. - Antimonious Sulphide. Sb2S3.
Native Tersulphuret of Antimony. For. names: German, Schwefelspiessglanz; French, Sulfure d'Antimoine.
This is the commonest ore of Antimony, and occurs abundantly in many countries; that found in Hungary is very pure, according to Biichner.
Characters and Tests. - Masses consisting of closely aggregated needles, having a metallic lustre, leaden grey colour inclining to steel-grey, which is unchanged in the streak. The needles are extremely brittle, and melt even in the flame of a candle, emitting a sulphurous smell. It dissolves slowly in boiling Hydrochloric Acid, evolving the odour of Sulphuretted Hydrogen. If the solution be filtered and mixed with water, it gives a white precipitate.
Reference to Horn. Proving. - Chr.. Kr., i.