#167

R-3c

Example – Calcite, CaCO3

From the Latin, calx, meaning lime.

Crystallographic tables for the rhombohedral carbonates

Graf D L
American Mineralogist 46 (1961) 1283-1316

 

http://www.mindat.org/min-859.html

http://www.webmineral.com/data/Calcite.shtml

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=00170.cif&down=cif

CaO6 octahedra (blue)
CO3 trigonal planar units (black) 

 

3D rotatable model of Calcite

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