Basis data mineral & terapi kristalMineralHulsiteRobert M. Lavinsky·CC BY-SA 3.0·WikimediaHulsiteFe2⁺2Fe3⁺O2(BO3)Monoclino IMA grandfatheredKomposisiComposizione (% in peso)FeOFeIron55.2%OOxygen39.5%BBoron5.3%EtimologiDinamai dari Alfred H. Brooks.