english: Hibonite ((Ca,Ce)(Al,Ti,Mg)12O19) is a brownish black mineral with a hardness of 7.5-8.0 and a hexagonal crystal structure.
non_english: Hibonite ((Ca, Ce) (Al, Ti, Mg) 12O19) yaiku mineral ireng coklat karo kekerasan 7.5-8.0 lan struktur kristal heksagonal.