AM_Killalaite
Formula:
Ca6.43 Si4 O17.14 H3.14
Name:
Killalaite
Unit cell:
6.807 15.459 6.811 90.0 97.76 90.0 , V=710.15
Space group:
P121/M1 (11)
Taylor H F W , Mineralogical Magazine , 41 (1977) p.363-369, The crystal structure of killalaite, Locality: Killala Bay, Ireland