Kornerupine and Painite Physical Properties

Kornerupine

Painite

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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

3.25-3.454.00-4.03

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on {110}

Not Available

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

CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Kornerupine and Painite Chemical Formula

While comparing Kornerupine and Painite 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 Painite 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 Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Kornerupine Vs Marble

Kornerupine and Painite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Painite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Painite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 4.00-4.03 whereas that of Painite is 4.00-4.03.