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Chlorastrolite
Chlorastrolite

Alunite
Alunite



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Chlorastrolite
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Alunite

Chlorastrolite and Alunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.1-3.5
Granular
None
5-6
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Chlorastrolite and Alunite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Alunite chemical formula.

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Chlorastrolite and Alunite Specific Gravity

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