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Alunite
Alunite

Kurnakovite
Kurnakovite



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Alunite
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Kurnakovite

Alunite and Kurnakovite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6
 
-
Soluble
-
1.847-1.852
Conchoidal
Poor to indistinct on {010}
2-3
Ca3Al3(SiO4)3(OH)

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 Vs Kurnakovite during the identification of gemstone. Specific gravity of Alunite is whereas that of Kurnakovite is .