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Iolite
Iolite

Chalcedony
Chalcedony



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Iolite
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Chalcedony

Iolite and Chalcedony 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
 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2

Iolite and Chalcedony Chemical Formula

While comparing Iolite and Chalcedony 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 Chalcedony chemical formula.

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Iolite and Chalcedony Specific Gravity

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