Na5.088 K0.808 Ca2.28 (Al6 Si6 O23.76) (S O4)1.5

Al₆Ca_2.28K_0.808Na_5.088O_26.744S_1.5Si₆

Loehn, J.Schulz, H.

Neues Jahrbuch fuer Mineralogie. Abhandlungen (Band-Nr) (1950-) (1968) 109, 201-210

a=9.116Å   b=9.116Å   c=9.116Å

α=90°   β=90°   γ=90°