AM_Weeksite
Formula:
U Si O7
Name:
Weeksite
Unit cell:
7.106 17.9 7.087 90.0 90.0 90.0 , V=901.45
Space group:
AMM2 (38)
Stohl F V , Smith D K , American Mineralogist , 66 (1981) p.610-625, The crystal chemistry of the uranyl silicate minerals