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Esperite
Esperite

Alunite
Alunite



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Esperite
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Alunite

Esperite and Alunite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.28-4.42
Conchoidal
Distinct on [010] and [100] poor on [101]
5-5.5
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Esperite and Alunite Chemical Formula

While comparing Esperite 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 Esperite and Alunite chemical formula.

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Esperite and Alunite Specific Gravity

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