Iolite and Microcline Physical Properties

Iolite

Microcline

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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

2.6-2.72.55-2.63

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gems

1.6 Cleavage

3,1

{001} Perfect, {010} Good

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Iolite and Microcline Chemical Formula

While comparing Iolite and Microcline 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 Microcline chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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Iolite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.