Rutile and Afghanite Physical Properties

Rutile

Afghanite

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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

4.20-4.302.55-2.65

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

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

Perfect {10 1 0}

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

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

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Rutile and Afghanite Chemical Formula

While comparing Rutile and Afghanite 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 Afghanite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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Rutile and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.