Mottramite and Rutile Physical Properties

Mottramite

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

5.94.20-4.30

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

36-6.5

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Rutile Chemical Formula

While comparing Mottramite 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 Mottramite and Rutile chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Mottramite and Rutile Specific Gravity

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