AM_Finnemanite_1
Formula: Pb5 Cl As3 O9
Name: Finnemanite
Unit cell: 10.28 10.28 7.0 90.0 90.0 120.0 , V=640.64
Space group: P63 (173)

Gabrielson O , Arkiv for Mineralogi och Geologi , 2 (1956) p.1-8, The crystal structure of finnemanite Pb5Cl(AsO3)3, Locality: Langban, Varmland, Sweden