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Alunite
Alunite

Triplite
Triplite



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Alunite
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Triplite

Alunite and Triplite 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
 
-
-
-
3.85-3.94
Conchoidal, Uneven
{010} Good, {100} Distinct
5-5.5
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth Edition (2006)

Alunite and Triplite Chemical Formula

While comparing Alunite and Triplite 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 Triplite chemical formula.

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Alunite and Triplite Specific Gravity

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