Barite and Iolite Physical Properties

Barite

Iolite

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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

4.482.6-2.7

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

3-3.57-7.5

2 10

1.8 Chemical Composition

BaSO4

Mg₂Al₄Si₅O₁₈

Barite and Iolite Chemical Formula

While comparing Barite and Iolite 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 Iolite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Barite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Barite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Barite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Barite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.