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Alexandrite
Alexandrite

Mellite
Mellite



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Alexandrite
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Mellite

Alexandrite and Mellite 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
 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Alexandrite and Mellite Chemical Formula

While comparing Alexandrite and Mellite 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 Mellite chemical formula.

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Alexandrite and Mellite Specific Gravity

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