AM_Orschallite
Formula: Ca3 S3 O22 H24
Name: Orschallite
Unit cell: 11.35 11.35 28.321 90.0 90.0 120.0 , V=3159.59
Space group: R-3C (167)

Weidenthaler C , Tillmanns E , Hentschel G , Mineralogy and Petrology , 48 (1993) p.167-177, Orschallite, Ca3(SO3)2SO4*12H2O, a new, calcium-sulfite-sulfate-hydrate mineral, Locality: Hannebacher Ley, Hannebach, Eifel, Germany