Iolite and Hanksite Physical Properties

Iolite

Hanksite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.7

2.562

1.5 Fracture

Not Available

Uneven, Conchoidal, Brittle

1.6 Cleavage

3,1

Good on {0001}

1.7 Mohs Hardness

7-7.5

3-3.5

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

KNa22(SO4)9(CO3)2Cl

Iolite and Hanksite Chemical Formula

While comparing Iolite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Iolite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.562 whereas that of Hanksite is 2.562.