Hibonite

Overview

(Ca,Ce)(Al,Ti,Mg)12O19
Fluorescence: none	Weakly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.84 g/cc
Hardness - Mohs	Hibonite - 7.5-8.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	black, red brown
Streak	red brown

Crystal Properties

Property	Value
Crystal structure	hexagonal - dihexagonal dipyramidal
Cleavage	good
Tenacity
Fracture	sub-conchoidal
Luster	metallic

Similar Minerals

Dana Number : 07.04.01.01

Class: 07

Group: 07.04

Subgroup: 07.04.01 - hibonite

Dana Number	Mineral Name	Formula
07.04.01.01	hibonite	(Ca,Ce)(Al,Ti,Mg)12O19

Nickel-Strunz Number : 04.CC.45

Group : 04

Subgroup : CC

Nickel-Strunz Number	Mineral Name	Formula
04.CC.45	diaoyudaoite	NaAl11O17
04.CC.45	hibonite	(Ca,Ce)(Al,Ti,Mg)12O19
04.CC.45	magnetoplumbite	Pb(Fe+3,Mn+3)12O19
04.CC.45	nežilovite	PbZn2(Mn+4,Ti+4)2Fe+38O19

Specimens

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Uses