Kornerupine and Elbaite Physical Properties

Kornerupine

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.25-3.45

Conchoidal, Uneven

Good on {110}

6.5

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

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Kornerupine and Elbaite Chemical Formula

While comparing Kornerupine and Elbaite 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 Elbaite chemical formula.

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Kornerupine and Elbaite Specific Gravity

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