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See Bisulphide.

lled also sphalerite, and by miners mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains some iron. Its color is usually yellow, brown, or black, and its luster resinous.

f a bluish gray color and metallic luster, usually in plumose masses, also compact. It is sulphide of antimony and lead.

tallized, often in twin crystals shaped like cogwheels (wheel ore), also massive. It is a sulphide of antimony, lead, and copper.

Pertaining to, derived from, or containing, cadmium; as, cadmic sulphide.

Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster. [Formerly written chalcosine.]

Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.

A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper.

A sulphide of chromium observed in some meteoric irons.

A disulphide. [Obs.]

See Disulphide.

Carbon disulphide; -- so called from certain red compounds which it produces in combination with other substances.

Ethiops martial (Old Chem.), black oxide of iron. -- Ethiops mineral (Old Chem.), black sulphide of mercury, obtained by triturating mercury with sulphur. -- Ethiops per se (Old Chem.), mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air.…

A stratum in crystalline rock, containing metallic sulphides. Raymond.

Copper sulphide, used to color glass. Hebert.

A sulphide of antimony, lead, and silver, occuring in monoclinic crystals.

Friction powder, Friction composition, a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction. -- Friction primer, Friction tube, a tube used for firing cannon by means of the friction of a roughened wire in the friction powder or composition with which the tube is filled -…

Lead sulphide; the principal ore of lead. It is of a bluish gray color and metallic luster, and is cubic in crystallization and cleavage. False galena. See Blende.

A name given to some sulphides, mostly dark-colored, which have a brilliant metallic luster, as the sulphide of copper, called copper glance. Glance coal, anthracite; a mineral composed chiefly of carbon. -- Glance cobalt, cobaltite, or gray cobalt. -- Glance copper, c -- Glance wood, a hard wood grown in Cuba, and u…

ydrastis Canadensis), with a thick knotted rootstock and large rounded leaves. -- Golden sulphide, or sulphuret, of antimony (Chem.), the pentasulphide of antimony, a golden or orange yellow powder. -- Golden warbler (Zoöl.), a common American wood warbler (Dendroica æstiva); -- called also blue-eyed yellow warbler,…