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Arfvedsonite
Arfvedsonite

Goethite
Goethite



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Arfvedsonite
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Goethite

Arfvedsonite and Goethite 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
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Arfvedsonite and Goethite Chemical Formula

While comparing Arfvedsonite and Goethite 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 Goethite chemical formula.

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Arfvedsonite and Goethite Specific Gravity

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