Chlorastrolite and Kornerupine Physical Properties

Chlorastrolite

Kornerupine

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.1-3.5

Granular

None

5-6

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

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

Chlorastrolite and Kornerupine Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Kornerupine chemical formula.

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Chlorastrolite and Kornerupine Specific Gravity

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