Basis data mineral & terapi kristalMineralMummeiteDavid HospitalยทCC BY 4.0ยทWikimediaMummeiteCu0.58Ag3.11Pb1.10Bi6.65S13Monoclino IMA approvedKomposisiComposizione (% in peso)SAgBiSSulfur44.7%AgSilver30.9%BiBismuth20.7%PbLead3.8%CuCopper0.0%EtimologiDinamai dari W. Gus Mumme.