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Alunite
Alunite

Zoisite
Zoisite



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Alunite
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Zoisite

Alunite and Zoisite Physical Properties

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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
 
-
-
-
3.20-3.50
Uneven, Conchoidal, Even
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)

Alunite and Zoisite Chemical Formula

While comparing Alunite and Zoisite 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 Zoisite chemical formula.

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Alunite and Zoisite Specific Gravity

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