Amazonite and Iolite Physical Properties

Amazonite

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

2.55-2.572.6-2.7

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

3,1

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

KAlSi₃O₈

Mg₂Al₄Si₅O₁₈

Amazonite and Iolite Chemical Formula

While comparing Amazonite 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 Amazonite and Iolite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Amazonite and Iolite Specific Gravity

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