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Arfvedsonite
Arfvedsonite

Alexandrite
Alexandrite



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Arfvedsonite
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Alexandrite

Arfvedsonite and Alexandrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.3-3.5
Uneven
Perfect on [110]
5-6
NaNa2(Fe++4Fe+++)Si8O22(OH)2
 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Arfvedsonite and Alexandrite Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Alexandrite chemical formula.

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Arfvedsonite and Alexandrite Specific Gravity

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