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www.mineralgallery.co.za Minerals F-J |
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Hibonite |
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Name
Hibonite
Chemistry
(Ca,Ce)(Al,Fe,Ti,Si,Mg)12O19
Uses
Mineral specimen
Color
Reddish brown, black, brownish black
Hardness
7½ - 8
Specific gravity
3.2
Crystals
Hexagonal
Accompanied by:
Bartelkeite, Hawthorneite, Haggertyite, Nezilovite, Lindqvistite, Magnetoplumbite, Plumboferrite, Otjisumeite, Yimengite, Zenzenite
Fracture
Uneven
Luster
Metallic
Cleavage
Good, Parting
Streak
Reddish brown
Named after it discovere Paul Hibon.
Hibonite is a mineral which contains Cerium and Calcium. Cerium oxide is a much sought after element which is used as a polishing compound. It gives the mirror like finish to any gem in the final polishing stage.
General composition (Ca,Ce)(Al, Ti,Mg)12O19 .
