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Carletonite and Iolite Physical Properties


Iolite and Carletonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.45   
2.6-2.7   

Fracture
Conchoidal, Conchoidal, Brittle   
Not Available   

Cleavage
Perfect on {001}, good on {110}   
3,1   

Mohs Hardness
4-4.5   
7-7.5   

Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Mg2Al4Si5O18   

Optical Properties >>
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Carletonite and Iolite Chemical Formula

While comparing Carletonite 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 Carletonite and Iolite chemical formula.

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Carletonite and Iolite Specific Gravity

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

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