#128

P4/mnc

Example – Apophyllite, KCa₄(Si₄O₁₀)₂F • 8 H₂O

A neutron powder diffraction study of partially dehydrated
fluorapophyllite, KCa₄Si₈O₂₀F • 6.9 H₂O

Stahl K
European Journal of Mineralogy 5 (1993) 845-849

http://webmineral.com/data/Apophyllite.shtml

 

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=07320.cif&down=cif

 

F (green)
O (red)
Ca (blue)
K (purple)
Si (orange)

3D rotatable model of Apophyllite