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Dravite
Dravite

Arfvedsonite
Arfvedsonite



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Dravite
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Arfvedsonite

Dravite and Arfvedsonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
 
Brittle
-
-
3.3-3.5
Uneven
Perfect on [110]
5-6
NaNa2(Fe++4Fe+++)Si8O22(OH)2

Dravite and Arfvedsonite Chemical Formula

While comparing Dravite and Arfvedsonite 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 Dravite and Arfvedsonite chemical formula.

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Dravite and Arfvedsonite Specific Gravity

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