Magnesite

Composition

MgCO3

Classification

Carbonate

Structural parameters

a=4.6330, b=4.6330, c=15.016 Å
alpha=90, beta=90, gamma=120°
Space Group: R-3c

atom

x/a

y/b

z/c
Mg 0.0000 0.0000 0.0000
C 0.0000 0.0000 0.2500
O 0.2776 0.0000 0.2500

Reference

Graf, D.L. 1961. Crystallographic tables for the rhombohedral carbonates. American Mineralogist. 46:1283-1316.

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Original release: 1 Oct 1998;