Alexandrite and Barite Physical Properties

Alexandrite

Barite

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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

3.69-3.814.48

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

1,1 ; 3,2.

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

1.7 Mohs Hardness

8.53-3.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

BaSO4

Alexandrite and Barite Chemical Formula

While comparing Alexandrite and Barite 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 Barite chemical formula.

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

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Alexandrite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Barite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 4.48 whereas that of Barite is 4.48.