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Iolite
Iolite

Dioptase
Dioptase



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Iolite
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Dioptase

Iolite and Dioptase Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18
 
Brittle
Soluble
-
3.25-3.35
Conchoidal, ConchoidalWalter Schumann
Perfect in three directions
5
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Iolite and Dioptase Chemical Formula

While comparing Iolite and Dioptase 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 Dioptase chemical formula.

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Iolite and Dioptase Specific Gravity

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