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Alexandrite
Alexandrite

Kornerupine
Kornerupine



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Alexandrite
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Kornerupine

Alexandrite and Kornerupine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4
 
-
-
-
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

Alexandrite and Kornerupine Chemical Formula

While comparing Alexandrite 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 Alexandrite and Kornerupine chemical formula.

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Alexandrite and Kornerupine Specific Gravity

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