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Vanadinite
Vanadinite

Alunite
Alunite



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Vanadinite
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Alunite

Vanadinite and Alunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.8-7.1
Uneven, Conchoidal
None
3-4
C20H36
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Vanadinite and Alunite Chemical Formula

While comparing Vanadinite and Alunite 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 Vanadinite and Alunite chemical formula.

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Vanadinite and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vanadinite and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vanadinite Vs Alunite during the identification of gemstone. Specific gravity of Vanadinite is whereas that of Alunite is .