Basis data mineral & terapi kristalMineralTheophrastiteDavid HospitalยทCC BY-SA 4.0ยทWikimediaTheophrastiteNi(OH)2 root IMA approvedKomposisiComposizione (% in peso)NiONiNickel63.3%OOxygen34.5%HHydrogen2.2%EtimologiDinamai dari Theophrastus.