Rutile and Ajoite Physical Properties

Rutile

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.302.96

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

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

Perfect on {010}

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Rutile and Ajoite Chemical Formula

While comparing Rutile and Ajoite 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 Ajoite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Rutile and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.96 whereas that of Ajoite is 2.96.