Basis data mineral & terapi kristalMineralNuffielditeDavid HospitalยทCC BY-SA 4.0ยทWikimediaNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7 heart IMA approvedKomposisiComposizione (% in peso)BiPbSBiBismuth43.5%PbLead43.1%SSulfur11.7%CuCopper1.7%SbAntimony0.0%EtimologiDinamai dari Edward W. Nuffield.Chakra sekunderroot