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Alunite and Rhodolite Physical Properties


Rhodolite and Alunite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.9   
3.84   

Fracture
Conchoidal, Uneven   
Conchoidal   

Cleavage
On {0001}, perfect   
none, may show indistinct parting   

Mohs Hardness
3.5-4   
7-7.5   

Chemical Composition
KAl3(SO4)2(OH)6   
(Mg,Fe)3Al2Si3O12   

Optical Properties >>
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Alunite and Rhodolite Chemical Formula

While comparing Alunite and Rhodolite 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 Rhodolite chemical formula.

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Alunite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.84 whereas that of Rhodolite is 3.84.

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