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Steatite
Steatite

Alunite
Alunite



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Steatite
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Alunite

Steatite and Alunite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.20-2.80
-
Perfect
-9999
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6

Steatite and Alunite Chemical Formula

While comparing Steatite 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 Steatite and Alunite chemical formula.

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Steatite and Alunite Specific Gravity

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