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Prasiolite and Alunite Physical Properties


Alunite and Prasiolite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
2.6-2.9   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Uneven   

Cleavage
3,1   
On {0001}, perfect   

Mohs Hardness
7   
3.5-4   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
KAl3(SO4)2(OH)6   

Optical Properties >>
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Prasiolite and Alunite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Alunite chemical formula.

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Prasiolite and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Alunite Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.6-2.9 whereas that of Alunite is 2.6-2.9.

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