It is the sulphuret, of a broad glittering grain, and cubical fracture.
Zinc is found, in the form of a sulphuret, in small quantities, at several of the lead-mines in Washington county.
The substance presenting this effect is sulphuret of silver.
Sulphuret, a combination of an alkaline earth or metal with sulphur as, Sulphuret of iron, a combination of iron and sulphur.
It is soluble in alcohol, ether and chloroform, slightly soluble in sulphuret of carbon, insoluble in turpentine or benzin.
