Barite and Alexandrite Physical Properties

Barite

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

4.48

3.69-3.81

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

1,1 ; 3,2.

1.7 Mohs Hardness

3-3.5

8.5

1.8 Chemical Composition

BaSO4

BeAl ₂ O ₄

Barite and Alexandrite Chemical Formula

While comparing Barite 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 Barite and Alexandrite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Alexandrite- BeAl ₂ O ₄

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Barite and Alexandrite Specific Gravity

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