Ca4 (Ca5.94 (O H)1.2 O0.5 Cl0.32) (Si O4)2 (S O4)2 (Si0.5 S0.5 O4)2

Ca_9.94O_25.2S₃Si₃

Organova, N.I.Rastsvetaeva, R.K.Kuz'mina, O.V.Fin'ko, V.I.Arapova, G.A.Litsarev, M.A.

Kristallografiya (1994) 39, 278-282

a=9.526Å   b=9.506Å   c=6.922Å

α=90°   β=90°   γ=119.99°