Kornerupine and Hibonite Physical Properties

Kornerupine

Hibonite

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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

3.25-3.453.84

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Good on {110}

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

6.57.5-8

2 10

1.8 Chemical Composition

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

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

Kornerupine and Hibonite Chemical Formula

While comparing Kornerupine and Hibonite 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 Kornerupine and Hibonite chemical formula.

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

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Kornerupine and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.84 whereas that of Hibonite is 3.84.