Alexandrite and Sulphur Physical Properties

Alexandrite

Sulphur

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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

3.69-3.812.05-2.08

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

1,1 ; 3,2.

Not Available

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

SWalter Schumann , Gemstones of the world (2001)

Alexandrite and Sulphur Chemical Formula

While comparing Alexandrite and Sulphur 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 Sulphur chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)

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Alexandrite and Sulphur Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Sulphur Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Sulphur Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.05-2.08 whereas that of Sulphur is 2.05-2.08.