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Hematite

Oxide Analysis Formula
SiO2 9.90% 2.39
Al2O3 3.20% 0.46
Fe2O3 67.80% 6.15
FeO 10.00% 1.77
MgO 0.40% 0.14
CaO 2.40% 0.62
TiO2 0.40% 0.07
P2O5 2.30% 0.24
H2O2.80%
CO21.10%
Oxide Weight 1,398.83
Formula Weight 1,455.59

Notes

Natural hematite is mostly used as a crude material in the manufacture of steel. As finely ground material it's price is similar to synthetic red iron oxide. It generally contains 5-15% impurities. Thus, in ceramics it makes sense to use synthetic hematite for it's extra purity and particle size.

The chemistry shown here is only a sample, it will vary greatly depending on the deposit.

Related Information

Links

Materials Iron Oxide Red
Materials Ilmenite
Materials Noor Hematite
Materials Ground Magnetite
Minerals Hematite
URLs http://en.wikipedia.org/wiki/Hematite
Hematite at Wikipedia
URLs http://www.handbookofmineralogy.org/pdfs/Hematite.pdf
Hematite mineralogy

By Tony Hansen


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