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Alunite and Kurnakovite Physical Properties


Kurnakovite and Alunite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.9   
1.847-1.852   

Fracture
Conchoidal, Uneven   
Brittle, Conchoidal   

Cleavage
On {0001}, perfect   
Poor to indistinct on {010}   

Mohs Hardness
3.5-4   
2-3   

Chemical Composition
KAl3(SO4)2(OH)6   
Not Available   

Optical Properties >>
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Alunite and Kurnakovite Chemical Formula

While comparing Alunite and Kurnakovite 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 Alunite and Kurnakovite chemical formula.

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Alunite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.

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