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Alunite
Alunite

Celestine
Celestine



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Alunite
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Celestine

Alunite and Celestine 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
-
-
3.90-4.00
Conchoidal
Perfect on {001}, good on {210}, poor on {010}
3-3.5
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Alunite and Celestine Chemical Formula

While comparing Alunite and Celestine 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 Celestine chemical formula.

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Alunite and Celestine Specific Gravity

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