Database minerali e cristalloterapiaMineraliDufrénoysiteRobert M. Lavinsky·CC BY-SA 3.0·WikimediaDufrénoysitePb2As2S5 IMA grandfatheredComposizioneComposizione (% in peso)PbSAsPbLead57.2%SSulfur22.1%AsArsenic20.7%EtimologiaNome derivato da Ours-Pierre-Armand Petit-Dufrénoy.