iron-pyrite

Pyrite is a metallic mineral that is composed of iron and sulfur atoms bound together in a ratio of one iron to two sulfur, and it is arguably the most abundant sulfide mineral on Earth.

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Pyrite
Pyrite is a metallic mineral that is composed of iron and sulfur atoms bound together in a ratio of one iron to two sulfur,
and it is arguably the most abundant sulfide mineral on Earth.
The name pyrite comes from pyrite lithos, which, in Greek, means 'stone which strikes fire' in reference to the tendency of
the mineral to spark when struck against steel. In fact, pyrite was used for that purpose in early flintlock rifles.
The mineral is found in many sedimentary rocks, such as limestone, shale and coal, as well as in metamorphic rocks like schist.
It is a very common mineral in ore deposits, where it is found along with other metal-containing minerals, including gold. And yet pyrite is not mined for its iron, as the metal is difficult to extract from it.
In some rocks, usually shale, pyrite forms pyritized fossils, where the pyrite replaces shell material inside the fossil. An example of a pyritized fossil is shown in this picture of a cephalopod fossil.
1 Iron Disulfide / Iron Pyrite (FeS2) Synonyms:
iron pyrite, FeS2, pyrite (FeS), iron sulphide, iron sulfide,

2 Iron Disulfide / Iron Pyrite (FeS2) Formula:
a) Iron disulfide= FeS2
b) Iron sulfide (Iron(II) sulfide)= FeS
3 Iron Disulfide / Iron Pyrite (FeS2) Description:
Naturally mined metal sulphide crystals with a shimmer. Slightly soluble in water.

4 Iron Disulfide / Iron Pyrite (FeS2) Typical Chemical Properties Available:
a) Typical Chemistry: S= 48-50% and Fe= 45- 46%
b) Pyrite nanocrystals

5 Iron Disulfide / Iron Pyrite (FeS2) Typical Standard Granulations Available:
20 mesh x down, 50 mesh x down, 150 mesh x down and a nominal 325 mesh by down

6 Iron Disulfide / Iron Pyrite (FeS2) Nominal Physical Constants:

a) Molecular Weight (g/mol.):
FeS=87.9 & FeS2=119.98

b) Bulk Density (g/cm3):
2.2- 2.5

c) Density (@ 20 °C): 4.7 g/cm3

d) Melting Point (°C):~ 1193

e) pH Value (10% aqueous sol.):4.0- 6.0

f) Odor:sulfurous

g) Color:dark gray to black

h) Odour:pungent

i) Decomposition Temperature (deg. C):> 400

j) Specific Gravity: 4.95 to 5.10

k) Water Soluble Solids (max.):3%

l) Crystallography:hexagonal

m) Solubility in Water:unsoluble

6 Iron Disulfide / Iron Pyrite (FeS2) Typical Applications:
a) Lithium metal sulfide batteries (a battery grade is available), moulding compounds (resin-bonded grinding wheels, brake linings, etc.), production of sulfuric acid, and battery recycling
b) To replace silicon in solar photovoltaics

7 Iron Disulfide / Iron Pyrite (FeS2) Typical Packaging:
25 kg.. paper bags, poly-lined fiber drums, super sacks and loose bulk

8 Iron Disulfide / Iron Pyrite (FeS2 and FeS) CAS Numbers:

a) CAS #12068-85-8:
Synonyms: (FeS2), Ferric sulfide, Iron disulphide, Iron sulfide (FeS2), Iron pyrite, EINECS 235-106-8, 23949-99-7, 58440-06-5
b) CAS # 1317-37-9:
i) IUPAC Name: sulfanylideneiron
ii) Synonyms: (FeS), Ferrous sulfide, thioxoiron, Troilite, Iron sulfuret, Iron sulphide, Iron sulfide, Iron monosulfide, FeS cluster, FeS center, Iron protosulfide, Black iron sulfide, Ferrous monosulfide, Iron(II) sulfide, Iron-sulfur cluster, Iron sulfide (FeS), Iron sulfide, troilite, FeS iron-sulfur center, Ferrous sulfide (FeS), FeS iron-sulfur cluster, Iron monosulfide (FeS)
c) CAS # 1309-36-0:
i) IUPAC Name: bis(sulfanylidene)iron
ii) Synonyms: (FeS2), bis(sulfanylidene)iron, Iron pyrite, Pyrite (FeS2), EINECS 215-167-7, CID14788, LS-136400, 61027-07-4

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