Benitoite and Kornerupine Physical Properties

Benitoite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble: HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.61-3.683.25-3.45

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

[10 1 1] poor

Good on {110}

1.7 Mohs Hardness

6-6.56.5

2 10

1.8 Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Benitoite and Kornerupine Chemical Formula

While comparing Benitoite 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 Benitoite and Kornerupine chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Violet Gemstones

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Benitoite and Kornerupine Specific Gravity

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