Alexandrite and Serpentine Physical Properties

Alexandrite

Serpentine

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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

3.69-3.812.44-2.62

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.52.5-5.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Alexandrite and Serpentine Chemical Formula

While comparing Alexandrite and Serpentine 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 Serpentine chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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Alexandrite Vs Citrine

Alexandrite Vs Fluorite

Alexandrite Vs Gahnospinel

Alexandrite and Serpentine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Serpentine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Serpentine Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.44-2.62 whereas that of Serpentine is 2.44-2.62.