AM_Reinhardbraunsite_1 Formula: Ca5 Si2 O10 H2 Name: Reinhardbraunsite Unit cell: 8.9207 11.4481 5.0759 90.0 90.0 108.32 , V=492.10 Space group: P1121/B (14)

Kuznetsova T P , Nevskii N N , Ilyukhin V V , Belov N V , Soviet Physics Crystallography , 25 (1980) p.91-92, Refinement of the crystal structure of calcium chondrodite Ca5[SiO4]2(OH)2=Ca(OH)2*2Ca2SiO4, Locality: synthetic