Sylvite and Arfvedsonite Physical Properties

Sylvite

Arfvedsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.3-3.5

1 7.18

1.5 Fracture

Uneven, Brittle

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on [100], [010], [001]

Perfect on [110]

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Arfvedsonite Chemical Formula

While comparing Sylvite 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 Sylvite and Arfvedsonite chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Sylvite and Arfvedsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Arfvedsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Arfvedsonite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 3.3-3.5 whereas that of Arfvedsonite is 3.3-3.5.