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Magnetite Granular

Alternate Names: FERROSO-FERRIC OXIDE, FEROSIC OXIDE

Oxide Analysis Formula
Fe2O3 66.17% 1.00
FeO 33.83% 1.00
Oxide Weight 241.80
Formula Weight 241.80

Notes

It is not to be confused with brown Fe3O4 mixed ferrous-ferric iron oxide. Unlike the much softer black and red iron oxide, this material is useful in granular form to introduce specking into bodies and glazes. Many other materials are available as speckling agents.

Related Information

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Typecodes Colorant
Metallic based materials that impart fired color to glazes and bodies.
Minerals Magnetite
Materials Manganese Granular
Materials Granular Rutile
Materials Iron Pyrite
Materials Granular Ilmenite

Data

Hardness (Moh)6.5
Frit Softening Point1538C D
Density (Specific Gravity)5.18

By Tony Hansen


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