Rutile and Augelite Physical Properties

Rutile

Augelite

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Physical Properties

Tenacity

Solubility

Insoluble in acids

Durability

Specific Gravity

4.20-4.302.70-2.75

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

From the Greek for luster, for its pearly luster on the cleavage.

Mohs Hardness

6-6.54.5-5

2 10

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Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Rutile and Augelite Chemical Formula

While comparing Rutile and Augelite 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 Augelite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Rutile and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Augelite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.70-2.75 whereas that of Augelite is 2.70-2.75.