Base de minéraux et lithothérapieMinérauxSphaerobertranditeDavid Hospital·CC BY 4.0·WikimediaSphaerobertranditeBe3(SiO4)(OH)2Monoclino root IMA redefinedCompositionComposizione (% in peso)OSiBeOOxygen62.7%SiSilicon18.3%BeBeryllium17.7%HHydrogen1.3%Chakras secondairesheart