Home Chromite

Crystal habit of chromite
Formula (Fe,Mg) Cr2O4
Density  4.5-4.8 g/cm3
Hardness 5.5
Melting point 2435°C (for Cr2O3)
CAS-No. 1308-38-9 (for Cr2O3)
EINECS-No. 2151609 (for Cr2O3)

Chromite with a  Cr2O3-content >40% (cf. chemical data) is used for the production of refractory bricks as well as for furnace linings. It also finds application as temperature-loadable moulding sand (chromium ore sand) and in powdered form as a refractory filler in foundry mould- and core coatings.

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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