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Alexandrite
Alexandrite

Gahnospinel
Gahnospinel



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Alexandrite
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Gahnospinel

Alexandrite and Gahnospinel 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
 
-
-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Alexandrite and Gahnospinel Chemical Formula

While comparing Alexandrite and Gahnospinel 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 Gahnospinel chemical formula.

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Alexandrite and Gahnospinel Specific Gravity

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