Iolite and Hemimorphite Physical Properties

Iolite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.30-3.50

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

3,1

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Iolite and Hemimorphite Chemical Formula

While comparing Iolite and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Iolite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.