Chromite and Arfvedsonite Physical Properties

Chromite

Arfvedsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.83.3-3.5

1 7.18

1.5 Fracture

Uneven

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None, parting may develop along {111}

Perfect on [110]

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

Fe++Cr2O4

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

Chromite and Arfvedsonite Chemical Formula

While comparing Chromite 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 Chromite and Arfvedsonite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Chromite and Arfvedsonite Specific Gravity

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