Kornerupine and Beryllonite Physical Properties

Kornerupine

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.25-3.452.79-2.87

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

Good on {110}

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

Mohs Hardness

6.55.5-6

2 10

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Chemical Composition

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

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Kornerupine and Beryllonite Chemical Formula

While comparing Kornerupine and Beryllonite 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 Beryllonite 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 Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Kornerupine Vs Marble

Kornerupine Vs Moissanite

Kornerupine Vs Musgravite

Kornerupine and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.