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Arfvedsonite
Arfvedsonite

Poudretteite
Poudretteite



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Arfvedsonite
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Poudretteite

Arfvedsonite and Poudretteite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.3-3.5
Uneven
Perfect on [110]
5-6
NaNa2(Fe++4Fe+++)Si8O22(OH)2
 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Poudretteite Chemical Formula

While comparing Arfvedsonite and Poudretteite 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 Arfvedsonite and Poudretteite chemical formula.

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Arfvedsonite and Poudretteite Specific Gravity

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