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Hollandite and Cordierite Iolite Physical Properties


Cordierite Iolite and Hollandite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05   
2.56-2.66   

Fracture
Brittle, Metallic   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Distinct / Good, Prismatic   
Not Available   

Mohs Hardness
4-6   
7-7.5   

Chemical Composition
Ba(Mn++++,Mn++)8O16   
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   

Optical Properties >>
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Hollandite and Cordierite Iolite Chemical Formula

While comparing Hollandite and Cordierite 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 Hollandite and Cordierite Iolite chemical formula.

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Hollandite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.

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