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Alunite
Alunite

Stibiotantalite
Stibiotantalite



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Alunite
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Stibiotantalite

Alunite and Stibiotantalite Physical Properties

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
 
-
-
-
-9999
Conchoidal
{???} Perfect
5.5-6
SbTaO 4Ulrich Henn and Claudio C.

Alunite and Stibiotantalite Chemical Formula

While comparing Alunite and Stibiotantalite 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 Stibiotantalite chemical formula.

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Alunite and Stibiotantalite Specific Gravity

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