Calcium dialuminate

Al₄O_7,Ca

Efremov, V. A.Gutnikov, S. I.Kartashov, A. A.Lazoryak, B.I.

Personal communication to COD (2012)

a=12.886(6)Å   b=8.8830(12)Å   c=5.4423(27)Å

α=90°   β=106.905(6)°   γ=90°