AM_Elpidite
Formula:
Zr Si6 Na2 O18 H6
Name:
Elpidite
Unit cell:
7.14 14.68 14.65 90.0 90.0 90.0 , V=1535.54
Space group:
PBCM (57)
Cannillo E , Rossi G , Ungaretti L , American Mineralogist , 58 (1973) p.106-109, The crystal structure of elpidite