Glass and Alexandrite Physical Properties

Glass

Alexandrite

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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

2.39-4.003.69-3.81

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

1,1 ; 3,2.

1.7 Mohs Hardness

4-68.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Glass and Alexandrite Chemical Formula

While comparing Glass 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 Glass and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Glass and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glass and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glass and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Glass is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.