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Mellite
Mellite

Foitite
Foitite



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Mellite
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Foitite

Mellite and Foitite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
 
-
-
-
3.17
-
None
7
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Mellite and Foitite Chemical Formula

While comparing Mellite and Foitite 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 Mellite and Foitite chemical formula.

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Mellite and Foitite Specific Gravity

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