#144

#144

P31

Example – Stillwellite-Ce, (Ce,La, Ca)SiBO5

Named for Frank Leslie Stillwell (1888-1963), Australian ore mineralogist and the dominant Ce content.

The crystal structure of Stillwellite

Burns P C, Hawthorne F C, MacDonald D J, Ventura G D, Parodi G
The Canadian Mineralogist 31 (1993) 147-152

http://www.webmineral.com/data/Stillwellite-(Ce).shtml

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=18362.cif&down=cif

Stillwellite_Ce

 

SiO4 tetrahedra (orange)
BO4 tetrahedra (pink)

3D rotatable model of Stillwellite-Ce

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