Clinohumite and Iolite Physical Properties

Clinohumite

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

3.13-3.752.6-2.7

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Not Available

1.6 Cleavage

Poor on {100}

3,1

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mg₂Al₄Si₅O₁₈

Clinohumite and Iolite Chemical Formula

While comparing Clinohumite 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 Clinohumite and Iolite chemical formula.

Chemical formula of Clinohumite- (Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Clinohumite and Iolite Specific Gravity

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