Hematite Crystallography

Composition

Fe2O3

Classification

Oxide

Structural parameters

a=5.038, b=5.038, c=13.772 Å
alpha=90, beta=90, gamma=120°
Space Group=R-3c

atom

x/a

y/b

z/c
Fe 0.0000 0.0000 0.3553
O 0.3059 0.0000 0.2500

Reference

Blake, R.L., R.E. Hessevick, T. Zoltai, and L.W. Finger. 1966. Refinement of the hematite structure. American Mineralogist. 51:123-129.

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Original release: 1 Oct 1998;