Basis data mineral & terapi kristalMineralNaumanniteMaterialscientistยทCC BY-SA 3.0ยทWikimediaNaumanniteAg2SeOrtorombico IMA grandfatheredKomposisiComposizione (% in peso)AgSeAgSilver73.2%SeSelenium26.8%EtimologiDinamai dari Georg Amadeus Carl Friedrich Naumann.