Database minerali e cristalloterapiaMineraliTrechmanniteDavid HospitalยทCC BY-SA 4.0ยทWikimediaTrechmanniteAgAsS2 root IMA grandfatheredComposizioneComposizione (% in peso)AgAsSAgSilver43.7%AsArsenic30.3%SSulfur26.0%Chakra secondarithird eye