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Alexandrite
Alexandrite

Prase Opal
Prase Opal



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Alexandrite
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Prase Opal

Alexandrite and Prase Opal 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
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Alexandrite and Prase Opal Chemical Formula

While comparing Alexandrite and Prase Opal 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 Opal chemical formula.

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Alexandrite and Prase Opal Specific Gravity

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