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Pleonast
Pleonast

Alexandrite
Alexandrite



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Pleonast
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Alexandrite

Pleonast and Alexandrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
-9999
MgAl2O4
 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Pleonast and Alexandrite Chemical Formula

While comparing Pleonast 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 Pleonast and Alexandrite chemical formula.

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Pleonast and Alexandrite Specific Gravity

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