Rutile and Gahnite Physical Properties

Rutile

Gahnite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.304.00-4.62

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Rutile and Gahnite Chemical Formula

While comparing Rutile and Gahnite 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 Rutile and Gahnite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

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Rutile and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.