Database minerali e cristalloterapiaMineraliNuffielditeDavid HospitalยทCC BY-SA 4.0ยทWikimediaNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7 heart IMA approvedComposizioneComposizione (% in peso)BiPbSBiBismuth43.5%PbLead43.1%SSulfur11.7%CuCopper1.7%SbAntimony0.0%EtimologiaNome derivato da Edward W. Nuffield.Chakra secondariroot