Iolite and Lizardite Physical Properties

Iolite

Lizardite

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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

2.6-2.72.55

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

3,1

{001} Perfect

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Iolite and Lizardite Chemical Formula

While comparing Iolite and Lizardite 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 Iolite and Lizardite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Iolite and Lizardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.55 whereas that of Lizardite is 2.55.