Base de minerales y cristaloterapiaMineralesFriedrichiteHelix84·CC BY 2.0·WikimediaFriedrichiteCu5Pb5Bi7S18 IMA approvedComposiciónComposizione (% in peso)BiPbSCuBiBismuth43.1%PbLead30.5%SSulfur17.0%CuCopper9.4%