Arfvedsonite and Rutile Physical Properties

Arfvedsonite

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.54.20-4.30

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on [110]

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Rutile Chemical Formula

While comparing Arfvedsonite and Rutile 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 Rutile chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Arfvedsonite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.