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Beryl
Beryl

Alexandrite
Alexandrite



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Beryl
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Alexandrite

Beryl and Alexandrite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.60-2.90
Uneven, Conchoidal, Irregular
Imperfect on {0001}
7.5-8
Be3Al2Si6O18
 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Beryl and Alexandrite Chemical Formula

While comparing Beryl and Alexandrite 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 Beryl and Alexandrite chemical formula.

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Beryl and Alexandrite Specific Gravity

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