Hexagonite and Iolite Physical Properties

Hexagonite

Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.032.6-2.7

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

[110] perfect; [010] distinct

3,1

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Mg₂Al₄Si₅O₁₈

Hexagonite and Iolite Chemical Formula

While comparing Hexagonite 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 Hexagonite and Iolite chemical formula.

Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Hexagonite and Iolite Specific Gravity

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