Alexandrite and Glass Physical Properties

Alexandrite

Glass

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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

3.69-3.812.39-4.00

1 7.18

1.5 Fracture

Not Available

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.54-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Not Available

Alexandrite and Glass Chemical Formula

While comparing Alexandrite and Glass 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 Glass chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Alexandrite and Glass Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Glass Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Glass Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.39-4.00 whereas that of Glass is 2.39-4.00.