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Albite
Albite

Alexandrite
Alexandrite



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Albite
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Alexandrite

Albite and Alexandrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.60-2.65
Uneven, Conchoidal
Perfect on {001}, very good on {010}, imperfect on {110}
6-6.5
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Albite and Alexandrite Chemical Formula

While comparing Albite 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 Albite and Alexandrite chemical formula.

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Albite and Alexandrite Specific Gravity

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