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Alunite
Alunite

Jet lignite
Jet lignite



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Alunite
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Jet lignite

Alunite and Jet lignite Physical Properties

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
 
-
-
-
1.30-1.34
-
None
2.5
C

Alunite and Jet lignite Chemical Formula

While comparing Alunite and Jet lignite 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 Jet lignite chemical formula.

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Alunite and Jet lignite Specific Gravity

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