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Iolite
Iolite

Mottramite
Mottramite



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Iolite
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Mottramite

Iolite and Mottramite 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
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)

Iolite and Mottramite Chemical Formula

While comparing Iolite and Mottramite 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 Mottramite chemical formula.

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Iolite and Mottramite Specific Gravity

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