Formula: (Ca,Ce)(Al,Ti,Mg)12O19
Origin of name: For Paul Hibon, discoverer of mineral
Crystal system: Hexagonal
Crystal class: 6/m 2/m 2/m
Twinning:
Unit cell:
Colour: Brownish black to black
Diaphaneity:
Luster:
Habit: Crystals hexagonal prisms, flattened or steep pyramids
Hardness: 7.5 to 8
Specific gravity: 3.84
Cleavage: 2; {0001} easy, {10-10} parting
Tenacity:
Streak:
Synonyms/varieties:
Comments:
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |