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n. Any of various shiny minerals composed chiefly of metallic sulfides.

n. See sphalerite.

n. A naturally-occurring sulphide of zinc.

n. A mineral, called 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.

n. A general term for some minerals, chiefly metallic sulphides which have a somewhat brilliant but nonmetallic luster.

n. An ore of zinc; a native sulphid of zinc, but commonly containing more or less iron, also a little cadmium, and sometimes rarer elements (gallium, indium).

n. an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form

"They were standing at the base of the saddle ridge of pitch-blende, looking down the fold limb."

mineral   

sidot blende   

sphalerite    mock lead    false galena    black-jack   

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