Dallasite and Arfvedsonite Physical Properties

Dallasite

Arfvedsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.913.3-3.5

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [110]

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Arfvedsonite Chemical Formula

While comparing Dallasite 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 Dallasite and Arfvedsonite chemical formula.

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

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Dallasite and Arfvedsonite Specific Gravity

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