Verdite and Alexandrite Physical Properties

Verdite

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

2.80-3.03.69-3.81

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

{110} Good

1,1 ; 3,2.

1.7 Mohs Hardness

38.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

BeAl ₂ O ₄

Verdite and Alexandrite Chemical Formula

While comparing Verdite 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 Verdite and Alexandrite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Alexandrite- BeAl ₂ O ₄

Compare Blue Gemstones

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Verdite Vs Zircon

Verdite Vs White Opal

Verdite and Alexandrite Specific Gravity

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