Sulphur and Iolite Physical Properties

Sulphur

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

2.05-2.082.6-2.7

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

3,1

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

SWalter Schumann , Gemstones of the world (2001)

Mg₂Al₄Si₅O₁₈

Sulphur and Iolite Chemical Formula

While comparing Sulphur 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 Sulphur and Iolite chemical formula.

Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Sulphur and Iolite Specific Gravity

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