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Zinnwaldite
Zinnwaldite

Iolite
Iolite



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Zinnwaldite
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Iolite

Zinnwaldite and Iolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-
 
-
-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18

Zinnwaldite and Iolite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Iolite chemical formula.

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Zinnwaldite and Iolite Specific Gravity

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