INDIALITE, [7], t-beryl, K-substituted, DF

Classification by Godovikov, 1997

Family: Cordierite
   SubFamily:
Group:
Series: Cordierite
SubSeries:    

Classification by Ciriotti, 2004

FAMILY: BERYL (beryl [1h group])G3[T3+nT'6-nO18]; n=0,1

Definitions of Structure-type formulae elements