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Alexandrite
Alexandrite

Prase
Prase



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Alexandrite
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Prase

Alexandrite and Prase Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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3.69-3.81
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1,1 ; 3,2.
8.5
BeAl 2 O 4
 
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2.64-2.69
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None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Alexandrite and Prase Chemical Formula

While comparing Alexandrite and Prase 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 Prase chemical formula.

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Alexandrite and Prase Specific Gravity

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