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Alexandrite
Alexandrite

Papagoite
Papagoite



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Alexandrite
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Alexandrite and Papagoite 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
-
Imperfect in one direction
5-5.5
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Alexandrite and Papagoite Chemical Formula

While comparing Alexandrite and Papagoite 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 Papagoite chemical formula.

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Alexandrite and Papagoite Specific Gravity

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