Hibonite and Hematite Physical Properties

Hibonite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.845.00-5.30

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

{0001} good, {10 1 0} parting

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

Fe 2O 3Arthur Thomas , Gemstones (2009)

Hibonite and Hematite Chemical Formula

While comparing Hibonite and Hematite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Hibonite and Hematite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Hibonite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.