Kornerupine and Afghanite Physical Properties

Kornerupine

Afghanite

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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

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Kornerupine and Afghanite Chemical Formula

While comparing Kornerupine and Afghanite 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 Afghanite chemical formula.

Compare Green Gemstones

Kornerupine Vs Marble

Kornerupine Vs Moissanite

Kornerupine Vs Musgravite

Kornerupine and Afghanite Specific Gravity

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