Found 2 items, similar to Iron pyrites.
English → English
Definition: iron pyrite
n : a common mineral (iron disulfide) that has a pale yellow
color [syn: pyrite
, fool's gold
English → English
Definition: Iron pyrites
([imac]"[u^]rn), a. [AS. [=i]ren, [=i]sen. See
1. Of, or made of iron; consisting of iron; as, an iron bar,
2. Resembling iron in color; as, iron blackness.
3. Like iron in hardness, strength, impenetrability, power of
endurance, insensibility, etc.; as:
(a) Rude; hard; harsh; severe.
Iron years of wars and dangers. --Rowe.
Jove crushed the nations with an iron rod.
(b) Firm; robust; enduring; as, an iron constitution.
(c) Inflexible; unrelenting; as, an iron will.
(d) Not to be broken; holding or binding fast; tenacious.
“Him death's iron sleep oppressed.”
Note: Iron is often used in composition, denoting made of
iron, relating to iron, of or with iron; producing
iron, etc.; resembling iron, literally or figuratively,
in some of its properties or characteristics; as,
iron-shod, iron-sheathed, iron-fisted, iron-framed,
iron-handed, iron-hearted, iron foundry or
(a) (Myth.) The age following the golden, silver, and
bronze ages, and characterized by a general
degeneration of talent and virtue, and of literary
excellence. In Roman literature the Iron Age is
commonly regarded as beginning after the taking of
Rome by the Goths, A. D. 410.
(b) (Arch[ae]ol.) That stage in the development of any
people characterized by the use of iron implements in
the place of the more cumbrous stone and bronze.
, a cement for joints, composed of cast-iron
borings or filings, sal ammoniac, etc.
(Min.), a yellowish clay containing a large
proportion of an ore of iron.
, a German, and before that Prussian, order of
military merit; also, the decoration of the order.
, a golden crown set with jewels, belonging
originally to the Lombard kings, and indicating the
dominion of Italy. It was so called from containing a
circle said to have been forged from one of the nails in
the cross of Christ.
(Min.), an opaque, flintlike, ferruginous
variety of quartz.
, a maker of iron castings.
, the place where iron castings are made.
, a furnace for reducing iron from the ore, or
for melting iron for castings, etc.; a forge; a
reverberatory; a bloomery.
, a headpiece of iron or steel, shaped like a hat
with a broad brim, and used as armor during the Middle
, a locomotive engine. [Colloq.]
, a solution of an iron salt, used as a mordant
(Cotton Manuf.), a name for the self-acting
or Iron mould
, a yellow spot on cloth stained
by rusty iron.
(Min.), any native compound of iron from which the
metal may be profitably extracted. The principal ores are
magnetite, hematite, siderite, limonite, G["o]thite,
turgite, and the bog and clay iron ores.
(Min.), common pyrites, or pyrite. See
, an iron ore in grains, usually the magnetic iron
ore, formerly used to sand paper after writing.
, the thin film which forms on the surface of
wrought iron in the process of forging. It consists
essentially of the magnetic oxide of iron, Fe3O4
, a furnace where iron is smelted, or a forge,
rolling mill, or foundry, where it is made into heavy
work, such as shafting, rails, cannon, merchant bar, etc.
, n. [L., fr. Gr. ?, fr. ? fire. See Pyre
A name given to a number of metallic minerals, sulphides of
iron, copper, cobalt, nickel, and tin, of a white or
Note: The term was originally applied to the mineral pyrite,
or iron pyrites, in allusion to its giving sparks when
struck with steel.
. See under Auriferous
, isometric iron disulphide; pyrite.
. See Pyrite
White iron pyrites
, orthorhombic iron disulphide;
marcasite. This includes cockscomb pyrites (a variety of
marcasite, named in allusion to its form), spear pyrites,
, or Copper pyrites
, the sulphide of copper
and iron; chalcopyrite.