Verdelite and Kornerupine Physical Properties

Verdelite

Kornerupine

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Verdelite and Kornerupine Chemical Formula

While comparing Verdelite 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 Verdelite and Kornerupine chemical formula.

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Verdelite and Kornerupine Specific Gravity

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