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Demantoid
Demantoid

Alexandrite
Alexandrite



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Demantoid
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Alexandrite

Demantoid and Alexandrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl 2 O 4

Demantoid and Alexandrite Chemical Formula

While comparing Demantoid 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 Demantoid and Alexandrite chemical formula.

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Demantoid and Alexandrite Specific Gravity

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