AM_Defernite
Formula:
Ca6 C1.74 Si.26 O13.79 H8.03
Name:
Defernite
Unit cell:
17.82 22.76 3.629 90.0 90.0 90.0 , V=1471.86
Space group:
PNAM (62)
Peacor D R , Sarp H , Dunn P J , Innes J , Nelen J A , American Mineralogist , 73 (1988) p.888-893, Defernite from the Kombat mine, Namibia: A second occurence, structure, refinement, and crystal chemistry