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Alunite and Clinozoisite Physical Properties


Clinozoisite and Alunite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.9   
3.21-3.38   

Fracture
Conchoidal, Uneven   
Irregular/uneven, Uneven   

Cleavage
On {0001}, perfect   
Perfect on {001}   

Mohs Hardness
3.5-4   
6-7   

Chemical Composition
KAl3(SO4)2(OH)6   
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Alunite and Clinozoisite Chemical Formula

While comparing Alunite and Clinozoisite 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 Clinozoisite chemical formula.

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Alunite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.

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