Kornerupine and Andalusite Physical Properties

Kornerupine

Andalusite

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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

3.05-3.21

Uneven, Subconchoidal, Splintery

Good on {110}, poor on {100}

7.5

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Kornerupine and Andalusite Chemical Formula

While comparing Kornerupine and Andalusite 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 Andalusite chemical formula.

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Kornerupine Vs Musgravite

Kornerupine and Andalusite Specific Gravity

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