AM_Vermiculite
Formula:
Mg3 Si4 (O12 H2)
Name:
Vermiculite
Unit cell:
5.31 9.2 28.46 90.0 97.14 90.0 , V=1379.55
Space group:
C1C1 (9)
Gruner J W , American Mineralogist , 19 (1934) p.557-575, The structures of vermiculites and their collapse by dehydration, Locality: Structure results from data of many samples