Druzy and Alexandrite Physical Properties

Druzy

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

Not Available

3.69-3.81

1.5 Fracture

Not Available

1.6 Cleavage

None

1,1 ; 3,2.

1.7 Mohs Hardness

2.5-3

8.5

1.8 Chemical Composition

BeAl ₂ O ₄

Druzy and Alexandrite Chemical Formula

While comparing Druzy 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 Druzy and Alexandrite chemical formula.

Chemical formula of Druzy- Au
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Druzy and Alexandrite Specific Gravity

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