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Alunite
Alunite

Scolecite
Scolecite



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Alunite
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Scolecite

Alunite and Scolecite 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
 
Brittle
Soluble
-
2.20-2.23
Irregular/uneven, Uneven
Perfect on {110} and {1 1 0}
5-5.5
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Alunite and Scolecite Chemical Formula

While comparing Alunite and Scolecite 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 Scolecite chemical formula.

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Alunite and Scolecite Specific Gravity

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