Hibonite and Kornerupine Physical Properties

Hibonite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.25-3.45

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{0001} good, {10 1 0} parting

Good on {110}

1.7 Mohs Hardness

7.5-86.5

2 10

1.8 Chemical Composition

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

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Hibonite and Kornerupine Chemical Formula

While comparing Hibonite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Hibonite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.