Arfvedsonite and Carnallite Physical Properties

Arfvedsonite

Carnallite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.5

1.6

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect on [110]

None

1.7 Mohs Hardness

5-6

2.5

1.8 Chemical Composition

NaNa2(Fe++4Fe+++)Si8O22(OH)2

KMgCl3•6(H2O)

Arfvedsonite and Carnallite Chemical Formula

While comparing Arfvedsonite and Carnallite 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 Carnallite chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Carnallite- KMgCl3•6(H2O)

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Arfvedsonite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 1.6 whereas that of Carnallite is 1.6.