Moldavite and Iolite Physical Properties

Moldavite

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

2.32-2.382.6-2.7

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Not Available

3,1

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Mg₂Al₄Si₅O₁₈

Moldavite and Iolite Chemical Formula

While comparing Moldavite 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 Moldavite and Iolite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Moldavite and Iolite Specific Gravity

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