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Hodgkinsonite and Iolite Physical Properties


Iolite and Hodgkinsonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.06-4.08   
2.6-2.7   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   
Not Available   

Cleavage
{???} Perfect   
3,1   

Mohs Hardness
4.5-5   
7-7.5   

Chemical Composition
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Mg2Al4Si5O18   

Optical Properties >>
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Hodgkinsonite and Iolite Chemical Formula

While comparing Hodgkinsonite 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 Hodgkinsonite and Iolite chemical formula.

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Hodgkinsonite and Iolite Specific Gravity

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

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