Base de minéraux et lithothérapieMinérauxTrigoniteDavid Hospital·CC BY-SA 4.0·WikimediaTrigonitePb3Mn2⁺(As3⁺O3)2(As3⁺O2OH) third eye IMA grandfatheredCompositionComposizione (% in peso)PbAsOPbLead59.4%AsArsenic21.5%OOxygen13.8%MnManganese5.3%HHydrogen0.1%Chakras secondairescrown
