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Thulite
Thulite

Alexandrite
Alexandrite



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Thulite
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Alexandrite

Thulite and Alexandrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
3.1
Uneven, Conchoidal
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)
 
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-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Thulite and Alexandrite Chemical Formula

While comparing Thulite 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 Thulite and Alexandrite chemical formula.

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Thulite and Alexandrite Specific Gravity

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