Calcium silicon aluminium beryllium oxide hydroxide (4/9/2/1/24/4)

H₄Al₂BeCa₄O₂₈Si₉

Claringbull, G F

Mineralogical Magazine and Journal of the Mineralogical Society (1876- 1968) (1940) 25, 495-497

a=19.34Å   b=23.06Å   c=4.95Å

α=90°   β=90°   γ=90°