Rutile and Augite Physical Properties

Rutile

Augite

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Physical Properties

Tenacity

Solubility

Insoluble in acids

Durability

Specific Gravity

4.20-4.303.19-3.56

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

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

{110} Perfect, {010} Indistinct

Mohs Hardness

6-6.55.5-6

2 10

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Chemical Composition

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

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Rutile and Augite Chemical Formula

While comparing Rutile and Augite 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 Augite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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Rutile and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Augite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 3.19-3.56 whereas that of Augite is 3.19-3.56.