Alexandrite and Ceylonite Physical Properties

Alexandrite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.813.63-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 ; 3,2.

Indistinct

1.7 Mohs Hardness

8.57.5-8

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Alexandrite and Ceylonite Chemical Formula

While comparing Alexandrite and Ceylonite 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 Ceylonite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Alexandrite and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.