Shungite and Alexandrite Physical Properties

Shungite

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 Available3.69-3.81

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1,1 ; 3,2.

1.7 Mohs Hardness

Not Available8.5

2 10

1.8 Chemical Composition

Not Available

BeAl ₂ O ₄

Shungite and Alexandrite Chemical Formula

While comparing Shungite 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 Shungite and Alexandrite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄

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Shungite and Alexandrite Specific Gravity

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