iron pyrites


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iron pyrites:

see pyritepyrite
or iron pyrites
, pale brass-yellow mineral, the bisulfide of iron, FeS2. It occurs most commonly in crystals (belonging to the isometric system and usually in the form of cubes and pyritohedrons) but is also found in massive, granular, and stalactite
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iron pyrites

[′ī·ərn ′pī‚rīts]
(mineralogy)
References in periodicals archive ?
Lloyd took maidens on Cherry Alley and Iron Pyrites, while Price won a restricted on 20-1 shot The Rural Dean and a maiden with one of his own breeding, Its A Handfull.
operated one copper mine to produce 1,032 t of cement copper and exported a small quantity of iron pyrites from stock.
The mineral apjohnite is one of a number of surprises created by the interaction of elements such as iron pyrites from rock spoil from coal mining, sea water, and clay rocks.
Marcasite - a facetted form of iron pyrites or fool's gold - has been popular in jewellery from Georgian times to the present for the inexpensive glitter it provides.
"Wherever there's gold, there's also plenty of fool's gold - or iron pyrites, to give its official name - so we always advise people to check with one of our members of staff before they get too excited," he said.
"They have taken a lot of stuff away, and the weather has washed away some of the coal, but you can still see iron pyrites, which is this very dark brown mineral which has become like sand.
Last week, researchers at the Vanderbilt University found a way to drastically increase the speed at which a battery charges by using quantum dots made of iron pyrite. Quantum dots are particles just a few tens of atoms wide.