Basis data mineral & terapi kristalMineralMackayiteDavid Hospital·CC BY-SA 4.0·WikimediaMackayiteFe3⁺Te4⁺2O5(OH) IMA grandfatheredKomposisiComposizione (% in peso)TeOFeTeTellurium45.5%OOxygen34.2%FeIron19.9%HHydrogen0.4%EtimologiDinamai dari John W. Mackay.