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IRONORE |
Steel mineral |
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ZINKENITE |
A steel-gray metallic mineral, a sulphide of antimony
and lead. |
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DOMEYKITE |
A massive mineral of tin-white or steel-gray color, an
arsenide of copper. |
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STROMEYERITE |
A steel-gray mineral of metallic luster. It is a
sulphide of silver and copper. |
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ULLMANNITE |
A brittle mineral of a steel-gray color and metallic
luster, containing antimony, arsenic, sulphur, and nickel. |
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STANNITE |
A mineral of a steel-gray or iron-black color; tin
pyrites. It is a sulphide of tin, copper, and iron. |
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LEUCOPYRITE |
A mineral of a color between white and steel-gray,
with a metallic luster, and consisting chiefly of arsenic and iron. |
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SCHREIBERSITE |
A mineral occurring in steel-gray flexible folia. It
contains iron, nickel, and phosphorus, and is found only in meteoric
iron. |
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JAMESONITE |
A steel-gray mineral, of metallic luster, commonly
fibrous massive. It is a sulphide of antimony and lead, with a little
iron. |
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LINNAEITE |
A mineral of pale steel-gray color and metallic luster,
occurring in isometric crystals, and also massive. It is a sulphide of
cobalt containing some nickel or copper. |
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SYLVANITE |
A mineral, a telluride of gold and silver, of a
steel-gray, silver-white, or brass-yellow color. It often occurs in
implanted crystals resembli... |
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MENACCANITE |
An iron-black or steel-gray mineral, consisting
chiefly of the oxides of iron and titanium. It is commonly massive, but
occurs also in rhombohe... |
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BOURNONITE |
A mineral of a steel-gray to black color and metallic
luster, occurring crystallized, often in twin crystals shaped like
cogwheels (wheel ore),... |
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PYROLUSITE |
Manganese dioxide, a mineral of an iron-black or dark
steel-gray color and metallic luster, usually soft. Pyrolusite parts
with its oxygen at a... |