Goshenite and Iolite Physical Properties

Goshenite

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

2.60-2.90

2.6-2.7

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

3,1 basal

3,1

1.7 Mohs Hardness

7.5-8

7-7.5

1.8 Chemical Composition

Be₃Al₂SiO₆

Mg₂Al₄Si₅O₁₈

Goshenite and Iolite Chemical Formula

While comparing Goshenite 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 Goshenite and Iolite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Goshenite and Iolite Specific Gravity

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