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Arfvedsonite
Arfvedsonite

Sellaite
Sellaite



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Arfvedsonite
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Sellaite

Arfvedsonite and Sellaite 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
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Arfvedsonite and Sellaite Chemical Formula

While comparing Arfvedsonite and Sellaite 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 Sellaite chemical formula.

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Arfvedsonite and Sellaite Specific Gravity

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