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Prase
Prase

Alunite
Alunite



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Prase
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Alunite

Prase and Alunite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.64-2.69
-
None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Prase and Alunite Chemical Formula

While comparing Prase 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 Prase and Alunite chemical formula.

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Prase and Alunite Specific Gravity

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