Alexandrite and Lizardite Physical Properties

Alexandrite

Lizardite

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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

3.69-3.812.55

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

1,1 ; 3,2.

{001} Perfect

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Lizardite Chemical Formula

While comparing Alexandrite and Lizardite 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 Lizardite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Alexandrite and Lizardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.55 whereas that of Lizardite is 2.55.