Alexandrite and Ekanite Physical Properties

Alexandrite

Ekanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.813.28-3.32

1 7.18

1.5 Fracture

Not Available

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

1,1 ; 3,2.

{101} Distinct

1.7 Mohs Hardness

8.56-6.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Alexandrite and Ekanite Chemical Formula

While comparing Alexandrite and Ekanite 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 Ekanite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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Alexandrite and Ekanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Ekanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Ekanite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.28-3.32 whereas that of Ekanite is 3.28-3.32.